Physical Properties and Cosmogenic Radionuclides in Drelów Meteorite Specimens
Tymiński Z.* Krzesińska A. M. Burakowska A. Tymińska K. Kosiński T. et al. METSOC 2026 abstract (PDF) “On February 18, 2025 a bright fireball was recorded over eastern Poland by Skytinel network. Approximately 70 individual…
New Meteorite Find in the Area of Blaubeuren: Historic Strewnfield or Coincidence?
Patzek M.* Paliwal D. Krietsch D. Barrat J. A. Merchel S. et al. METSOC 2026 abstract (PDF) “A newly found specimen close to the Blaubeuren meteorite in Germany has been studied for its relationship with…
Rapid Recovery of the Second Iron Meteorite with a Well-Constrained Pre-Atmospheric Orbit
Żmija M. Tymiński Z.* Kővágó G. Świerczyński E. Walczak A. et al. METSOC 2026 abstract (PDF) “On April 17, 2026, a bright fireball over Poland was recorded by 25 Skytinel Network stations. Trajectory, orbit and…
Mid-Infrared Spectral Constraints on Aqueous Alteration in CM Chondrites
Girich A. L.* Stojic A. Morlok A. Bischoff A. Hiesinger H. et al. METSOC 2026 abstract (PDF) “We investigated clasts with different degrees of aqueous alteration in the brecciated CM chondrites Cold Bokkeveld and Nogoya…
Calcite and Gypsum in Dominion Range 08006 (CO3.00): Distinguishing Terrestrial from Parent Body Alteration
Lee M. R.* Haller R. L. METSOC 2026 abstract (PDF) “Calcite in DOM 08006 (CO3.00) — probably produced by Antarcic weathering, but how can we be sure?”
Molecular Characterization of the Soluble Organic Matter of the Tarda Meteorite Using Ultra-High-Resolution FTICR-MS and LC-MS
Liss M. L.* Ruchti S. R. Schmitt-Kopplin P. S-K. METSOC 2026 abstract (PDF) “Molecular characterization of soluble organic matter in the Tarda meteorite using FTICR-MS and LC-MS reveals high chemical diversity, polarity-dependent composition, and pronounced…
Hypervolatile Organics in the Pristine CI Chondrite Oued Chebeika 002: Implications for Volatile Evolution and Outer Solar System Connections
Zheng Y.* Santos E. Huang Y. Heck P. R. METSOC 2026 abstract (PDF) “Hypervolatile organics in CI chondrite Oued Chebeika 002 show low methane but enriched S-species. Ongoing δD measurements and comparisons with ISM and…
Northwest Africa (NWA) 15468: A New Kind of Ordinary Chondrite with a Shocking History
Hutson M. L. Ruzicka A. M. Friedrich J. M.* Weisberg M. K. Dua L. A. et al. METSOC 2026 abstract (PDF) “NWA 15468 has Fa compositions (8.0-9.2) more magnesian than OCs. Metal abundance (12-24%) is…
Investigating the Evolution of Organics in the Early Solar System Through In Situ Analysis of CI Chondrites
Lewis P. I.* Chan Q. H. S. Russell S. S. King A. J. METSOC 2026 abstract (PDF) “SEM-EDS maps and Raman spectra were collected on CI chondrites to investigate structural variation of organic matter within…
Ammonium Extraction from Carbonaceous Chondrites: A Comparative Study
Depoortere J.* Poch O. Laize-Générat L. Malnuit A. Caillon N. et al. METSOC 2026 abstract (PDF) “Ammonium is a major nitrogen carrier in primitive meteorites, yet its quantification depends on extraction efficiency. By testing three…
CI1 Oued Chebeika 002: Sr-Y Trace Element Distribution Revealed by SXRF Analysis
Tkalcec B. J.* Baert T. Herthogs J. Vekemans B. Vincze L. et al. METSOC 2026 abstract (PDF) “We report the results of the first phase of a two-stage trace element investigation of Oued Chebeika 002…
A TEM Study of Oued Chebeika 002: Mineralogy, Composition and Comparison with CI Chondrites
Conconi R.* Le Guillou C. Laforet S. Marinova M. Meuret S. et al. METSOC 2026 abstract (PDF) “Nanoscale TEM study of Oued Chebeika 002 reveals phyllosilicates, Fe-nanosulfides, magnetite, and carbonates formed from aqueous alteration. Textures…
The ‘CX’ Grouplet: A New CR-Like Carbonaceous Chondrite Group
Cuppone T.* Carli C. Casalini M. Greenwood C. R. Pratesi G. METSOC 2026 abstract (PDF) “We present results on the mineral-bulk chemistry and O-Cr siotopic compositions that strongly suggests the existence of a new CR-like…
Phosphate Textural Diversity in CI Chondrites and C-Type Asteroids
Erickson T.* Seifert L. Eckley S. O’Neal E. Crow C. et al. METSOC 2026 abstract (PDF) “This study will present a highly coordinated microstructural, geochemical and geochronological investigation of apatite from CI-chondrites and C-type asteroids.”
A Petrologically Primitive Rock Fragment Discovered from Asteroid (101955) Bennu
Matsumoto M.* Tsuchiyama A. Kawasaki N. Nakashima D. Yasutake M. et al. METSOC 2026 abstract (PDF) “A petrologically primitive rock fragment was discovered from asteroid (101955) Bennu samples. It shares similar characteristics with primitive carbonaceous…
Chemical and Chromium Isotopic Variabilities at Small Scale in CI Chondrites, Ryugu, Bennu and Related Materials
López García K.* Yokoyama T. Nakanishi N. Shirahata A. Zhu K. METSOC 2026 abstract (PDF) “Elemental and Cr isotopic data show widespread small-scale heterogeneity in carbonaceous materials, most pronounced in Ryugu and CIs, likely reflecting…
Noble Gases of CI1 Chondrites: Comparative Study with Ryugu Samples Returned by the Hayabusa2 Spacecraft
Nagao K.* Nishiizumi K. Caffee M. W. Kim H. Park C. et al. METSOC 2026 abstract (PDF) “Noble gases of six CI1 chondrites: Orgueil, Revelstoke, Yamato 980115, Tonk, Ivuna, and Oued Chebeika 002 (three additional…
Redox Partitioning of Soluble Sulfur Species in Bennu and Tagish Lake Meteorite: Enrichment of Alkyl Thiosulfates and Suppression of Polythionates
Randazzo N. Hilts R. Rubio V. O. Herd C. D. K.* Reiz B. et al. METSOC 2026 abstract (PDF) “Comparison of soluble sulfur species in Bennu and Tagish Lake reveals redox partitioning, with Bennu enriched…
Evidence for Moderately Evolved Organic Matter and Preserved Ammonia in Oued Chebeika 002
Stroud R. M.* Alexander C. M. O’D. Cody G. D. Foustoukos D. Glavin D. P. et al. METSOC 2026 abstract (PDF) “Oued Chebeika 002 organic matter indicates accretion in an ammonia-ice rich environment similar to…
Carbon and Nitrogen Abundances and Isotopic Compositions of Lithic Clasts in Isheyevo
Fujiya W.* Yokoyama T. D. Takahashi H. Hashizume K. METSOC 2026 abstract (PDF) “We measured the C and N abundances and isotopic compositions of Isheyevo lithic clasts and found highly nitrogen-15 rich compositions and low…
Extreme ¹³C-Depletions in CM Chondrite IOM: Presolar Origins Revealed by NanoSIMS and HRTEM
Natrajan S.* Marhas K. K. METSOC 2026 abstract (PDF) “Coordinated C,N isotopic and microscopic analysis of insoluble organic matter extracted from CM chondrites provides insight into the preservation of a refractory, pristine carbon rich component…
Source Region and Parent-Body Processes Shape the Evolutionary Diversity of Soluble Organic Matter in Carbonaceous Chondrites
Dong M.* Yang W. Li Y. Li S. Hu S. et al. METSOC 2026 abstract (PDF) “This study applies UHPLC–HRMS-based prebiomics to nine carbonaceous chondrites (CI1, C2-ung, CM2), showing that soluble organic matter evolution is…
Interrogating the Origins of Extraterrestrial Organics in the Winchcombe Meteorite Using Combined ESI-Orbitrap LCMS and IRMS
Hallis L. J.* O’Brien A. Weatherill J. Regnault C. Blackburn G. et al. METSOC 2026 abstract (PDF) “We studied the soluble organic molecule inventory of the Winchcombe CM2 chondrite. Numerous organic sulfonate compounds were detected,…
Micro-Scale Analyses of Isotopically Anomalous Macromolecular Organic Matter in the Paris CM Chondrite
Forero-Fuentes V.* Meraviglia H. Nittler L. R. Stroud R. M. METSOC 2026 abstract (PDF) “To determine the effects of alteration on macromolecular organic matter (MOM) in Paris, we conducted a SEM-NanoSIMS-TEM study of MOM inclusions,…
Deciphering the Iron Isotopic Composition of the Inclusion-Like Reservoir: Insight from AOAs in CV Chondrites
Piralla M.* Hopp T. Burkhardt C. Kleine T. METSOC 2026 abstract (PDF) “Iron isotope analysis of Allende AOAs reveals negative µ54Fe, defining a common reservoir with CAIs and supporting that the NC-CC dichotomy reflects a…
Chronology and Oxygen Isotopic Composition of CAIs and Aluminium-Rich Chondrules in Unequilibrated Ordinary Chondrites
Mishra R. K.* Marhas K. K. Simon J. I. Marrocchi Y. Villeneuve J. METSOC 2026 abstract (PDF) “Refractory inclusions in non-carbonaceous chondrites are very rare. 26Al-26Mg relative chronology and oxygen isotopic composition of CAIs and…
Terrestrial Formation of Evaporites in CO Carbonaceous Chondrites from the Atacama Desert: Implications for Martian Environments
Pinto G. A.* Debaille V. Eschrig J. Corgne A. Soto K. et al. METSOC 2026 abstract (PDF) “Evaporites are frequently reported in carbonaceous chondrites, yet their origin remains debated between formation on the parent body…
Ait Saoun (EH3) Morocco: The Latest Enstatite Chondrite Fall
Chennaoui Aoudjehane H.* Agee C. Garvie L. A. J. Zigler K. Irving A. et al. METSOC 2026 abstract (PDF) “In this abstract, we are presenting the latest of an enstatite chondrite observed fall in Morocco,…
The Unusual Spiky Fusion Crust of the Wadsworth Meteorite Fall
Davoren T. F.* Gemma M. E. Ebel D. S. Childs N. J. Powell Z. L. METSOC 2026 abstract (PDF) “The recent Wadsworth monomict eucrite fall exhibits unusual spiky features in its fusion crust.”
Terrestrial Ages of Antarctic Meteorites: 2026
Nishiizumi K.* Welten K. C. Caffee M. W. Jull A. J. T. METSOC 2026 abstract (PDF) “Over 49,000 meteorites have been found and collected in Antarctica. More than 1,000 terrestrial age determinations were performed over…
Isotopic Analyses of Presolar Silicon Carbide Grains from Aguas Zarcas
Korsmeyer J. M.* Stephan T. Zheng Y. Nittler L. R. Fowler G. et al. METSOC 2026 abstract (PDF) “A sample of CM2 meteorite Aguas Zarcas was chemically treated to extract various presolar grain types. Isolated…
Presolar Silicon Carbide in Oued Chebeika 002 and Other CI Materials
Nittler L. R.* Meraviglia H. Alexander C. M. O’D. Kulenguski A. S. H. Stroud R. M. METSOC 2026 abstract (PDF) “Presolar grains from / New CI are typical / Unlike in Bennu.” “Two important observations…
The Winchcombe Meteorite: A Spectroscopic Perspective
Roselló Del Valle L.* Bennett C. Chazallon B. Fosca C. McKeown L. et al. METSOC 2026 abstract (PDF) “We characterize two aliquots of the Winchcombe meteorite, a chip and a particulate sample (<75 μm), which…
Understanding the Relationship Between CR Clan Meteorites Using Noble Gases to Infer Early Solar System Environments
Mijjum M.* Corrigan C. M. McCoy T. J. Tremblay M. M. Gooding T. et al. METSOC 2026 abstract (PDF) “We are measuring noble gases in CB chondrites to inform their exposure ages and early solar…
A Statistical Evaluation of Ordinary Chondrites, F Chondrites and IIE Irons
Kirby R. S.* King P. L. Tomkins A. G. METSOC 2026 abstract (PDF) “Here we use statistics to investigate ordinary chondrite classification and assess intergroup relationships. Statistical evidence supports both the establishment of the F…
The Lieksa Pallasite and Löpönvaara Iron: Unique Meteorite Discoveries from Eastern Finland
Kotomaa L.* Heinonen J. S. Kohout T. Luttinen A. METSOC 2026 abstract (PDF) “Over 100 iron-bearing suspected meteorites have been discovered in Lieksa, Finland since 2017. Two of them are the Lieksa pallasite and the…
The Complex Magmatic and Impact History of the Acapulcoite-Lodranite Parent Body: Insights from Silica-Rich Achondrites Denader 002, Nema 001 and Erg Atouila 001
Rider-Stokes B-G.* Desch S. Anand M. Stephant A. Hu S. et al. METSOC 2026 abstract (PDF) “Study of four silica-rich achondrite meteorites shows they likely share a common parent body and origin. Isotopic and mineral…
Non-Mercurian Origin of Ungrouped Achondrite Northwest Africa 7325 from (U-Th)/He Thermochronology
Diaz C. A. Rollin S. M.* Flowers R. M. Crow C. A. Metcalf J. R. METSOC 2026 abstract (PDF) “The preservation of (U-Th)/He ages in merrillite in the ungrouped achondrite NWA 7325 that are much…
Ti-Minerals Reveal Three-Stage Fluid Evolution on CY Chondrite Parent Body
Zhang A. C.* Wang S. Z. Du T. R. Chen J. N. Wen Y. Y. METSOC 2026 abstract (PDF) “We report the mineralogy of Ti-minerals in CY chondrite Dhofar 1988 and discuss its implication for…
16O poor cosmic spherules from near-Earth CY chondrite asteroidsOPEN ACCESS
Matthias Van Ginneken, Steven Goderis, Matthew J. Genge, Guido Jonker, Ryoga Maeda, Penelope J. Wozniakiewicz, Luigi Folco, Martin D. Suttle, Ian A. Franchi, Xuchao Zhao, Akira Yamaguchi, and Sophie Decrée Science Advances26 Jun 2026Vol 12,…
Origin and formation of a chondritic xenolith in Krymka (LL3.2, breccia): Indications for a late formation of the accretionary brecciaOPEN ACCESS
Aelita Girich, Addi Bischoff, Samuel Ebert, Kazuhide Nagashima, Andreas Morlok, Harald Hiesinger, Jasper Berndt MAPS, Version of Record online: 23 June 2026 LINK (OPEN ACCESS)PDF (OPEN ACCESS) “An unusual chondritic xenolith was found in two…
Raman analysis of organic refractory materials after energetic processing: Evidence for amorphous carbon on TNOs and cometsOPEN ACCESS
M. Germanà, A. Vyjidak, G. A. Baratta, B. M. Giuliano, R. G. Urso, C. Scirè, D. Fulvio, T. Grassi, P. Jusko, P. Caselli, M. E. Palumbo MAPS, Version of Record online: 23 June 2026 LINK…
Evaluating maturity of organic matter in hydrated C1 and CM-like clasts and a dehydrated clast within a polymict eucrite and a howarditeOPEN ACCESS
Swarna Prava Das, Alessandro Maturilli, Aurélie Van den Neucker, Markus Patzek, Dipak Kumar Panda, Gopal K. Pradhan, Guneshwar Thangjam, Surya Snata Rout MAPS, Version of Record online: 22 June 2026 LINK (OPEN ACCESS)PDF (OPEN ACCESS)…
Petrogenetic evolution of mesosiderite NWA 8741
Olga Ageeva, Cyril Lorenz, Gerlinde Habler, Lutz Nasdala, Leonid Aranovich, Olga Zhilicheva, Sergey Borisovsky, Rainer Abart MAPS, Version of Record online: 22 June 2026 LINK “Two samples of the meteorite Northwest Africa 8741 (NWA 8741)…
Challenges of measuring volatiles in enstatite chondrites and evaluating their contribution to earth’s volatile inventory
M. L. Gray, M. K. Weisberg, C. M. O’D. Alexander, J. Wang, D. I. Foustoukos, D. S. Ebel MAPS, Version of Record online: 19 June 2026 LINK “Measurements of bulk H, N, and C abundances…
High precision Al-Mg isotopic sims microanalysis of wark-lovering rims on ca-al-rich inclusions
Glenn J. MacPherson, Kazuhide Nagashima, Alexander N. Krot, Noriko T. Kita, Takayuki Ushikubo, Elena Dobrică Geochimica et Cosmochimica ActaAvailable online 19 June 2026 LINK “Using secondary ion mass-spectrometry, we analyzed the Al/Mg isotopic compositions of…
Reflectance spectroscopy in the visible to near-infrared (VNIR, 350–2500 nm) of Martian meteorite slabs and powders: Mafic silicate compositions and abundancesOPEN ACCESS
Amanda Ziegler, Edward Cloutis, Dan Applin, Tegan Ledoux, Kristi Peters, Selena Lambert IcarusAvailable online 17 June 2026, 117223 LINK + PDF (OPEN ACCESS) “Highlights “This study investigated the spectral reflectance properties (350–2500 nm) of a suite…
Nucleosynthetic Sr and Nd isotope anomalies in Allende calcium-aluminium-rich inclusions (CAIs) reflectings- and p-process heterogeneity
Yankun Di, Magdalena H. Huyskens, Qing-Zhu Yin, Yuri Amelin Geochimica et Cosmochimica ActaIn Press, Journal Pre-proof, Available online 18 June 2026 LINK “Compared to the Earth and inner Solar System planets, calcium–aluminium-rich inclusions (CAIs) possess…
Expanding Mars’ lithologic diversity: discovery of a garnet-bearing clast in NWA 8171OPEN ACCESS
T.V. Kizovski, L.F. White, A. Černok, K.T. Tait, V.E. Di Cecco, X. Chu, J.M. Tomacic, R.I. Nicklin, J.R. Darling Geochemical Perspectives Letters, V40Published: 16 June 2026 LINK (OPEN ACCESS)PDF (OPEN ACCESS) “A garnet-bearing clast has…
K, Rb, Ge, and Cu isotopes in Oued Chebeika 002 compared with CI chondrites, Ryugu, and BennuOPEN ACCESS
D.S. Grewal, N.X. Nie, B. Luais, Z.J. Zhang, Q. Ahmad, A. Vazquez Ochoa, P. Ni Geochemical Perspectives Letters v40Published 11 June 2026 LINK (OPEN ACCESS)PDF (OPEN ACCESS) “The primordial isotopic compositions of moderately volatile elements…
Percolative core formation in oxidized planetesimals – I: experiments on melt migration in olivine aggregates
Varun Manilal, Kyusei Tsuno, Hideharu Kuwahara, Axel Wittmann, Anne Pommier, Christy Till, Damanveer S. Grewal Geochimica et Cosmochimica ActaIn Press, Journal Pre-proof, Available online 15 June 2026 LINK “Percolation is a leading mechanism for metal-silicate…
A Noachian hydrosphere component in the 4.1-Ga Martian meteorite Teghaza 001OPEN ACCESS
Lee Saper, Yang Liu, Yunbin Guan, Chi Ma, Elizabeth Ann Bell, and Carl B. Agee Science Advances10 Jun 2026Vol 12, Issue 24 LINK (OPEN ACCESS)PDF (OPEN ACCESS) “The recent discovery of a 4.1-billion-year-old (Ga) Martian…
Grain Size Effects on UV-MIR Spectra of Aubrites: Clues for Interpreting E-type Near-Earth AsteroidsOPEN ACCESS
David C. Cantillo, Neil C. Pearson, Kaycee I. Ridenhour, Vrinda McBride, Miren Miranda, Adam Battle, Thomas Joyce, Juan A. Sanchez and Vishnu Reddy The Planetary Science Journal, Volume 7, Number 6, published: 12 June 2026…
Evidence of a local BCC-type coordination of cobalt in FCC taenite of iron meteoritesOPEN ACCESS
Kanako Yoshihara, Akira Yoshiasa, Huimin Shao, Makoto Tokuda, Ginga Kitahara, Hiroshi Isobe MAPS, First published: 09 June 2026 LINK (OPEN ACCESS) PDF (OPEN ACCESS) “Ni, Co, and Fe K-edge X-ray absorption fine structure (XAFS) measurements…
Freo Doctor: Atmospheric Modelling for Meteorite Falls and Spacecraft Re-EntriesOPEN ACCESS
Hadrien Devillepoix, Martin Cupák submitted to PASA PDF (OPEN ACCESS) “How much does the wind affect the path of meteorite falls? We finely model the lower ~30 km of the atmosphere using Weather Research and…
Turbulent Infall onto Class 0 Disks as the Cause of the Brief CAI Condensation Episode in the Solar SystemOPEN ACCESS
Jiachen Zheng, Xing Wei, Hongping Deng, Wenrui Xu, and Douglas N. C. Lin The Astrophysical Journal, Volume 1004, Number 1, published: 8 June 2026 LINK (OPEN ACCESS) PDF (OPEN ACCESS) “Calcium-aluminum-rich inclusions (CAIs) in carbonaceous…
Stardust Mine: A 2024 gabbroic shergottite from Arizona, USAOPEN ACCESS
Jennifer T. Mitchell, Natasha R. Stephen, Zsuzsanna P. Allerton, Weiming Ding, Xin-Yuan Zheng MAPS, First published: 07 June 2026 LINK (OPEN ACCESS) PDF (OPEN ACCESS) “This study provides an initial characterization of Stardust Mine, a…
FTIR constraints on Martian mantle water from clinopyroxene in nakhlite and shergottite meteoritesOPEN ACCESS
Ioana-Bogdana Radu, Cécile Deligny, Henrik Skogby, Roland Stalder, Jeremy J. Bellucci, Martin J. Whitehouse Geochimica et Cosmochimica ActaIn Press, Journal Pre-proof, Available online 5 June 2026 LINK + PDF (OPEN ACCESS) “Water on Mars has…
Chandrayaan-3 APXS measurements reveal Lunar highland compositional diversity and meteorite connectionsOPEN ACCESS
Dwijesh Ray, Rishitosh K. Sinha, Santosh V. Vadawale, M. Shanmugam & Anil Bhardwaj npj Space Exploration, Volume 2, Article number: 25 LINK (OPEN ACCESS)PDF (OPEN ACCESS) “The Lunar Feldspathic Highland Terrane (FHT) represents the primary…
Visible, near-, and thermal infrared spectra of asteroid Bennu samples: Relationship to and implications for remote sensing of carbonaceous asteroids
V. E. Hamilton, E. A. Cloutis, R. E. Milliken, P. Haenecour, D. R. Golish, K. J. Domanik, T. J. McCoy, L. P. Keller, A. A. Simon, H. H. Kaplan, C. A. Goodrich, S. A. Sandford,…
Thermal histories of El Médano 300 (EM 300) and Northwest Africa 8155 (NWA 8155): Implications for the diversity of IAB-ungrouped iron meteorites and their parent bodiesOPEN ACCESS
L. Perez, M. Roskosz, F. Danoix, L. Kern, V. Megevand, C. Brillatz, B. Devouard, J. Gattacceca, M. Gounelle MAPS, Version of Record online: 04 June 2026 LINK (OPEN ACCESS)PDF (OPEN ACCESS) “This study provides the…
Presolar stardust in the ungrouped chondrite Chwichiya 002
Lucas R. Smith, Pierre Haenecour, Jessica J. Barnes, Kenneth Domanik, Mason Neuman, Kun Wang, Piers Koefoed, Elias Bloch, Ryan Ogliore MAPS, Version of Record online: 04 June 2026 LINK “We performed an in-depth study of…
Most nakhlite martian meteorites were magmas, not crystal cumulates
Allan H. Treiman American Mineralogist 111, 1009-2021June 01, 2026 LINK “The nakhlite martian meteorites, basaltic rocks with abundant crystals of augite pyroxene, have been interpreted as cumulates, having formed as crystals of augite (and olivine)…
Thermochemical evolution of the mesosiderite parent body: Modelling and mineralogical constraints on silicates
Pipasa Layak, Nachiketa Rai, Kuljeet Kaur Marhas, Hilary Downes GeochemistryAvailable online 16 May 2026, 126426 LINK “This study models the compositional evolution of a chondritic starting material representative of the Mesosiderite Parent Body (MSPB) under…
Racemic isoprenoids in the Murchison meteorite derive from petroleum-based aerosol pollutantsOPEN ACCESS
Guillaume Leseigneur, Manuel Reinhardt, Fatma Yesil Sahan, Uwe Meierhenrich Earth and Planetary Science LettersVolume 690, 15 September 2026, 120141 LINK + PDF (OPEN ACCESS) “Highlights “The isoprenoid alkanes pristane and phytane are widely detected in…
Late infall of molecular cloud material reshaped the outer Solar SystemOPEN ACCESS
Elishevah van Kooten, Sebastian Sjørring Lodal, Isaac Onyett, Lasse Rasmus Pohlmann, Jean Bollard, Courtney Rundhaug, Martin Schiller, Martin Bizzarro Preprint, Accepted in principle, Nature Astronomy PDF (OPEN ACCESS) Understanding the physicochemical evolution of the outer…
Phosphorus-nitrogen systematics of first-generation planetesimals constrain life-essential element delivery to EarthOPEN ACCESS
Debjeet Pathak, Rajdeep Dasgupta, and Naidhruv Iyer Science Advances3 Jun 2026Vol 12, Issue 23 LINK (OPEN ACCESS)PDF (OPEN ACCESS) “Habitability of rocky planets relies on the budgets of life-essential elements (LEEs) in their building blocks….
Impact-generated Porosity Gradients Controlled Fluid Flow and Aqueous Alteration on the CM Parent BodyOPEN ACCESS
Romy D. Hanna, Richard A. Ketcham, Dave R. Edey, Guillaume Avice, Kelly Miller and Alan Whittington The Planetary Science Journal, Volume 7, Number 6, published: 3 June 2026 LINK (OPEN ACCESS)PDF (OPEN ACCESS) “We investigated…
Tracing early disk substructures and accretionary relationships through nitrogen isotopes in iron meteoritesOPEN ACCESS
Evelyn Füri, Fridolin Spitzer, Julie Gamblin, Christoph Burkhardt, Béatrice Luais, Julien Boulliung, Laurent Zimmermann Geochimica et Cosmochimica ActaAvailable online 2 June 2026 LINK + PDF (OPEN ACCESS) “Iron meteorites provide key insights into the formation…
The meteorite analogs of (65803) Didymos and implications for its originOPEN ACCESS
Ruoyu Zhai, Tianyi Xu, Liuming Peng, Azeem Khalid, Siyuan Li, Min Shu, Yunzhao Wu Astronomy and Astrophysics, A&A, 710, A3, Accepted: 14 April 2026 LINK (OPEN ACCESS)PDF (OPEN ACCESS) “Identifying meteorite analogs of asteroids is…
Reassessing the organic carbon budget in the Murchison meteorite through an extraction–recovery mass-balance approachOPEN ACCESS
Hina Dohi, Minako Hashiguchi, Koichi Mimura MAPS, Version of Record online: 31 May 2026 LINK (OPEN ACCESS)PDF (OPEN ACCESS) “A substantial fraction of organic carbon in carbonaceous chondrites has long been described as “missing,” reflecting…
Rare and evolved: The distribution of silica-rich magmatism across the solar systemOPEN ACCESS
B.G. Rider-Stokes, E. MacLennan, Z. Váci, M.M. Grady IcarusAvailable online 1 June 2026, 117195 LINK + PDF (OPEN ACCESS) “Highlights “Recent discoveries of ungrouped achondrites reveal that early Solar System crusts include evolved lithologies, demonstrating…
When wet meets dry: An Ivuna-like impactor triggered volatile loss on the angrite parent bodyOPEN ACCESS
Ke Zhu (朱柯), Qi Chen, Tetsuya Yokoyama, Akira Yamaguchi, Audrey Bouvier, and Lu Chen Science Advances29 May 2026Vol 12, Issue 22 LINK (OPEN ACCESS)PDF (OPEN ACCESS) “Angrite meteorites remain the “driest” known planetary materials in…
Pyrrhotite-driven early-stage terrestrial alteration in Ryugu grainsOPEN ACCESS
Masaaki Miyahara, Takaaki Noguchi, Toru Matsumoto, Naotaka Tomioka, Tohru Araki, Akira Miyake, Yohei Igami, Yusuke Seto & Akira Yamaguchi Nature Communications, Published: 29 May 2026 LINK (OPEN ACCESS)PDF (OPEN ACCESS) “Samples returned from the carbonaceous…
Modeling carbon outgassing from chondritic planetesimalsOPEN ACCESS
Bo Peng, Diana Valencia Accepted by Planetary Science Journal PDF (OPEN ACCESS) Update (1 June 2026): The Planetary Science Journal, Volume 7, Number 6, Published: 1 June 2026 LINK (OPEN ACCESS)PDF (OPEN ACCESS) “The thermochemical…
The bulk abundances and isotopic compositions of H in CM and CI carbonaceous chondrites
Conel M. O’D. Alexander, Dionysis I. Foustoukos Geochimica et Cosmochimica ActaAvailable online 28 May 2026 LINK “The H abundances and isotopic compositions of primitive chondritic meteorites are important for understanding: (i) the accretion environments of…
The H, C and N abundances and isotopic compositions of samples with outer Solar System heritage: asteroid Bennu and the Tarda and Tagish Lake meteorites
Dionysis I. Foustoukos, Conel M. O’D. Alexander, George D. Cody, Jennifer C. Stern, Steven M. Bates, Yoshihiro Furukawa, Toshiki Koga, Daniel P. Glavin, Jason P. Dworkin, Jessica J. Barnes, Ann N. Nguyen, Harold C. Connolly…
Exploring methods for identifying iron meteorites on the surface of Mars from orbit
M.C. Rudin, R.C. Wiens, B. Horgan, N.L. Lanza, N.L. Lanza, M. Hoffman, C. Schröder Icarus, In Press, Journal Pre-proof, Available online 22 May 2026 LINK “Highlights “Meteorites have been found at Mars Exploration Rover landing…
Carbonaceous Chondrites Provide Evidence for Late-stage Planetesimal Formation in a Pressure BumpOPEN ACCESS
Nerea Gurrutxaga, Joanna Drążkowska, Vignesh Vaikundaraman, and Thorsten Kleine The Astrophysical Journal, Volume 1003, Number 2, Published: 22 May 2026 LINK (OPEN ACCESS)PDF (OPEN ACCESS) “Carbonaceous chondrites are samples from planetesimals that formed 2–4 million…
The American Museum of Natural History Acquires the Huss-Nininger Collection of Meteorites
Denton S. Ebel, Nicole Childs, Thomas Davoren MAPS, Version of Record online: 20 May 2026Letter to the Editor LINK No abstract is available for this article.
Carbonates in Ryugu and Bennu with MicrOmega: Insights into Aqueous Alteration on Primitive AsteroidsOPEN ACCESS
Max Mahlke, Cateline Lantz, Cédric Pilorget, Donia Baklouti, Rosario Brunetto, Kentaro Hatakeda, Te Jiang, Damien Loizeau, Rachel Sheppard, Alice Aléon-Toppani, Masanao Abe, Jean-Pierre Bibring, Yuma Enokido, Ryota Fukai, Vincent Hamm, Yuya Hitomi, Seiya Kawasaki, Tania…
Leaching-induced Li isotope variations in weathered ordinary chondrites: Implications for terrestrial alteration
Zhong-Sha Meng, Ying-Kui Xu, Shi-Jie Li, Dan Zhu, De-Liang Wang, Yang Li, Xiong-Yao Li, Jian-Zhong Liu MAPS, Version of Record online: 16 May 2026 LINK “Meteorite finds are commonly used to assess the chemical and…
Infrared transmission spectra of Ryugu samples and their adsorption properties
Yoko Kebukawa, Hikaru Yabuta, Hisayoshi Yurimoto, Tomoki Nakamura, Takaaki Noguchi, Ryuji Okazaki, Hiroshi Naraoka, Kanako Sakamoto, Shogo Tachibana, Toru Yada, Masahiro Nishimura, Aiko Nakato, Akiko Miyazaki, Kasumi Yogata, Masanao Abe, Tatsuaki Okada, Tomohiro Usui, Makoto…
Potential of VIS-IR imaging spectroscopy and SEM-EDS and EMPA to map the mineralogical composition of NWA 7317 (CR6)
Simone Pascucci, Tiberio Cuppone, Martina Casalini, Simone De Angelis, Antonio Lettino, Angelo Palombo, Eliana La Francesca, Gianrico Filacchione, Maria Cristina De Sanctis, Anna Galiano, Giovanni Pratesi MAPS, Version of Record online: 14 May 2026 LINK…
Three-body evidence of ca. 3.7 Ga to 3.2 Ga bombardment across the inner solar system
Carolyn A. Crow, Timmons M. Erickson, Rita Economos, Katelyn Lehman-Franco, Jeremy W. Boyce, A. Marcus Richards, Connor A. Diaz, Rebecca M. Flowers, Maryjo Brounce, Blair Schoene, Jeffery A. Benowitz Geology, May 12, 2026 LINK “The…
Petrology, mineralogy, and trajectory reconstruction of the Maoming (L5) ordinary chondrite
Jin Yu Zhang, Hong Yi Chen, Yi Man Yin, Lan Fang Xie, Xu Kai Gao, Xi Jun Liu MAPS, Version of Record online: 11 May 2026 LINK “The Maoming meteorite, which fell in Guangdong Province,…
Oxygen isotope systematics of petrographically and chemically rare chondrules from the NWA 6991 (CV3) chondrite: Implications for chondrule precursors and radial transport in the protoplanetary diskOPEN ACCESS
Takuma Sumitani, Kohei Fukuda, Takayuki Ushikubo, Rei Kanemaru, Noriko T. Kita, Koki Tsutsui, Changkun Park, Hwayoung Kim, Pilmo Kang, Kentaro Terada Geochimica et Cosmochimica ActaIn Press, Journal Pre-proof, Available online 7 May 2026 LINK +…
An unsupervised machine learning approach to iron meteorite classificationOPEN ACCESS
Louis-Alexandre Lobanov, Hilary Downes MAPS, Version of Record online: 07 May 2026 LINK (OPEN ACCESS)PDF (OPEN ACCESS) “Iron meteorites are usually classified manually using bivariate elemental plots. This study extends iron meteorite classification into multi-element…
Analysis of hydrogen, carbon, oxygen, sulfur, chlorine, and mercury in samples returned from asteroid (101955) BennuOPEN ACCESS
Hisayoshi Yurimoto, Shogo Tachibana, Hisashi Homma, Shintaro Komatani, Tomoaki Watanabe, Kazuko Motomura, Yoshinobu Hosoi, Satoru Tanaka, Mai Sakaguchi, Noriyuki Kawasaki, Jessica J. Barnes, Ann N. Nguyen, Harold. C. Connolly Jr., Dante S. Lauretta MAPS, Version…
Network structure of solar wind implanted on small celestial body surface
Sohei Wada, Ken-ichi Bajo, Hisayoshi Yurimoto MAPS, Version of Record online: 07 May 2026 LINK “The surfaces of small celestial bodies are continuously modified by space weathering and surface gardening, yet their interaction remains poorly…
Anhydrous minerals in asteroid Bennu: Evidence for well-preserved primordial components
S. S. Russell, I. A. Franchi, T. Salge, X. Zhao, R. H. Jones, A. J. King, N. V. Almeida, P. F. Schofield, H. C. Bates, E. A. Cortes-Calderon, N. Kawasaki, Y. Yurimoto, Y. Marrocchi, G….
Constraints for Nuclear Astrophysics from an Unusual Presolar Silicate-Oxide Aggregate Grain Found in Primitive Ordinary Chondrite Meteorite Hills 00526OPEN ACCESS
Larry R. Nittler, Jens Barosch, Conel M. O’D. Alexander, Jianhua Wang Submitted on 3 May 2026 PDF (OPEN ACCESS) Update (2 June 2026): The European Physical Journal AVolume 62, article number 110, Published: 02 June…
Fusion crust of stony meteorites: From the observation spectrum to the initial meteoroid matter
Evgeniya V. Petrova, Victor I. Grokhovsky, Anna Kartashova Icarus, In Press, Journal Pre-proof, Available online 3 May 2026 LINK “Highlights “Fragmentation, ablation and significant loss of mass occur when the meteoroid passes through the Earth’s…
EBSD Analysis of Iron‐Nickel Metal in H Chondrites: 1. Evidence for Disruption and Re‐Accretion of Parent Asteroid
Yexin Luo, Aicheng Zhang, Qing Lin, Xingmei Shan, Zhimao Du, Mingbao Li, Qi Li, Xiuhong Liao, Shaolin Li JGR Planets, First Published: 30 April 2026 LINK “Key Points “Ordinary chondrites, sourced from S-type asteroids, provide…
Oxygen Isotopic Compositions of Chondrules as Probes of Solar Protoplanetary Disk FormationOPEN ACCESS
Sota Arakawa, Takayuki Ushikubo, Ryosuke T. Tominaga DRAFT VERSION APRIL 29, 2026 PDF (OPEN ACCESS) “Chondrules are thought to have formed during transient flash-heating events in dust-enriched regions of the solar protoplanetary disk. Although laboratory…
Do all asteroids break down in the same way?OPEN ACCESS
Nicole Latsia, Erika Kaufmann, Georgios Tsirvoulis, Heikki Suhonen, Mikael Granvik , Johan Borg, Axel Hagermann IcarusAvailable online 27 April 2026, 117130 LINK + PDF (OPEN ACCESS) “Highlights “Thermal fatigue is considered a primary mechanism driving…
Zadzim (prov.) iron meteorite fall (2.869 kg) in Zadzim commune, Poddębice County, Łódź Voivodeship, Poland at 18:53:59 UTC on 17 April 2026
Last update: 26 April 2026 (23:59 CEST) During the evening and until 4 a.m. at night after the instrumentally detected meteorite fall Skytinel’s founder Mateusz Żmija worked on a first analysis of data provided by…
Turbulent infall onto class 0 disks as cause of CAI brief condensation episode in the solar systemOPEN ACCESS
Jiachen Zheng, Xing Wei, Hongping Deng, Wenrui Xu, Douglas N. C. Lin PDF (OPEN ACCESS) “Calcium-aluminum-rich inclusions (CAIs) in carbonaceous chondritic meteorites are the oldest relics in the solar system. Notably, their radiogenic age feature…
The Fusion Crust of Meteorites is the Result of Changes in the Meteoroid Material under the Influence of Atmospheric Ablation
E. V. Petrova & V. I. Grokhovsky Solar System Research, Volume 60, article number 28, Published: 13 April 2026 LINK “The paper provides an overview of the phenomenon of “fusion crust of chondrites.” The processes…
Spectral Similarity in the Thermal Infrared between Sulfide-rich Carbonaceous Chondrite Meteorites, Jupiter Trojans, and Other D- and P-type AsteroidsOPEN ACCESS
Helena C. Bates, Ashley J. King, Kerri L. Donaldson Hanna, Audrey C. Martin, Joshua P. Emery, Neil E. Bowles and Sara S. Russell The Planetary Science Journal, Volume 7, Number 4, Published: 23 April 2026…
Timescales of CM carbonaceous chondrite aqueous alteration determined by kinetic modellingOPEN ACCESS
Robin L. Haller, Martin R. Lee, Mark E. Hodson Geochimica et Cosmochimica Acta, In Press, Journal Pre-proof, Available online 22 April 2026 LINK + PDF (OPEN ACCESS) “Mighei-like (CM) meteorites are the most abundant group…
Non-equilibrium condensation of the first Solar System solidsOPEN ACCESS
Sébastien Charnoz, Jérôme Aléon, Marc Chaussidon, Paolo A. Sossi, Yves Marrocchi & Patrick Franco Nature, Volume 652, pages 925–930, Published: 22 April 2026 LINK (OPEN ACCESS)PDF (OPEN ACCESS) “Primitive meteorites (chondrites) consist of an out-of-equilibrium…
Thermal Processing History of the Solar System’s First Solids Inferred from Isotope Fractionation of Refractory ElementsOPEN ACCESS
Yankun Di, François L. H. Tissot, Qing-Zhu Yin, Christopher Mornement, Trevor R. Ireland, and Yuri Amelin The Astrophysical Journal, Volume 1002, Number 1, Published: 21 April 2026 LINK (OPEN ACCESS)PDF (OPEN ACCESS) “We present analyses…
Carbonaceous Chondrites provide evidence for late-stage planetesimal formation in a pressure bumpOPEN ACCESS
Nerea Gurrutxaga, Joanna Drazkowska, Vignesh Vaikundaraman, Thorsten Kleine Accepted for publication in ApJ, draft version April 21, 2026 PDF (OPEN ACCESS) “Carbonaceous chondrites are samples from planetesimals that formed 2-4 million years after solar system…
Aqueous alteration in C2-ung Bells through the analysis of carbonates – Does a CR origin ring true?OPEN ACCESS
L. J. Riches, M. D. Suttle, I. A. Franchi, X. Zhao, M. M. Grady MAPS, Version of Record online: 20 April 2026 LINK (OPEN ACCESS) PDF (OPEN ACCESS) “Bells is an ungrouped carbonaceous chondrite that…
Analytical Description of Fragment Mass Distributions at Disruption of Cosmic Bodies in the Atmosphere and in Impact Experiments
I. G. Brykina & L. A. Egorova Solar System Research, Volume 60, article number 31, Published: 18 April 2026 LINK “The mass distributions of unevaporated fragments of meteoroids and asteroids disrupted in the atmosphere, as…
Correlative Microstructural Analysis of a Weathered Nantan Meteorite FragmentOPEN ACCESS
Graeme J. Francolini, Brendan V. Dyck, Paul Mack, Ben Britton Preprint submitted to Elsevier PDF (OPEN ACCESS) “The weathering of iron-rich phases within meteorites is a multi-stage process that significantly alters the microstructure and chemical…
Terrestrial formation of calcium sulfate and carbonate assemblages in Atacama CO chondrites: Implications for Martian evaporitic environments
Gabriel A. Pinto, Vinciane Debaille, Jolantha Eschrig, Alexandre Corgne, Kevin Soto, Thierry Leduc, Sophie Decree, Steven Goderis Icarus, In Press, Journal Pre-proof, Available online 15 April 2026 LINK “Highlights “Evaporites are frequently reported in carbonaceous…
The effect of terrestrial weathering on the mineralogy and petrologic (sub)types of CM chondrites explored by kinetic modeling and laboratory experimentsOPEN ACCESS
Robin L. Haller, Martin R. Lee, Mark E. Hodson MAPS, Version of Record online: 15 April 2026 LINK (OPEN ACCESS)PDF (OPEN ACCESS) “Terrestrial weathering alters the chemical and isotopic composition, and mineralogy, of meteorites; its…
Direct observation of organic molecules in asteroid Ryugu revealed by high-resolution atomic force microscopeOPEN ACCESS
Kota Iwata, Yasuhiro Oba, Hiroshi Naraoka, Hikaru Yabuta, Shogo Tachibana & Yoshiaki Sugimoto Nature Communications, Volume 17, Article number: 3416 LINK (OPEN ACCESS)PDF (OPEN ACCESS) “A diverse variety of organic matter exists in space. Since…
Carbon and oxygen isotope compositions in calcite from the CM chondrites Aguas Zarcas and MIL 13005: Implications for O and C sources and alteration conditions
S.P. Goudy, M. Telus, K. Nagashima, G.R. Huss Geochimica et Cosmochimica Acta, In Press, Journal Pre-proof, Available online 12 April 2026 LINK “Here we present petrographic, O isotope, and C isotope data on calcite and…
High-pressure clinopyroxene in Northwest Africa 12774 and new geobarometric evidence for a planetary embryo-sized angrite parent body
Aaron S. Bell, Laura Waters, Mark Ghiorso Earth and Planetary Science LettersVolume 685, 1 July 2026, 120029Version of Record 10 April 2026 LINK “Highlights “In this study, we develop, test, and apply a novel clinopyroxene-liquid…
Influence of Fe-Rich Materials on the Evolution of Amino Acids under Asteroidal Aqueous Alteration
Yuanyuan He, Laurent Remusat, Marceau Lecasble, David Boulesteix, Nadezda Khodorova, François Baudin, Arnaud Buch, Sylvain Bernard ACS Earth and Space Chemistry, 18 March, 2026 LINK “Amino acids have been detected in carbonaceous chondrites, with abundances…
Distribution of extraterrestrial nucleobases, other N-heterocycles, and their precursors in a sample from asteroid BennuOPEN ACCESS
Yasuhiro Oba, Toshiki Koga, Yoshinori Takano, Hiroshi Naraoka, Yuta Hirakawa, Sako Sunami, Yoshihiro Furukawa, Tomoya Yamazaki, Takuto Tomaru, Jason P. Dworkin, Daniel P. Glavin, Harold C. Connolly Jr & Dante S. Lauretta Communications Chemistry, Volume…
Preparing and characterising new carbonaceous chondrite reference materials for verification of ESA’s PROSPECT package
R.J. Windmill, J.I. Mortimer, M. Anand, A.B. Verchovsky, S. Nicoara, R.C. Greenwood, J. Carpenter Advances in Space ResearchAvailable online 7 April 2026 LINK “The European Space Agency’s PROSPECT payload consists of a sample acquisition and…
Carbonaceous Chondrite-like Compositions for Proposed Captured Trans-Neptunian Objects Justitia and PompejaOPEN ACCESS
Andrew S. Rivkin, Richard J. Cartwright, Joshua P. Emery, and Cristina A. Thomas The Astrophysical Journal Letters, Volume 1001, Number 1, Published: 7 April 2026 LINK (OPEN ACCESS)PDF (OPEN ACCESS) “Red spectral slopes (i.e. increasing…
Ryugu Reference Project: Recommendations from the Measurement Definition Team
Tetsuya Yokoyama, Guillaume Avice, Henner Busemann, Nicolas Dauphas, Daniel P. Glavin, Ashley J. King, Thorsten Kleine, Katharina Lodders, Frederic Moynier, Maria Schönbächler, Yoshinori Takano, Kun Wang, Hikaru Yabuta, Yuma Enokido, Ryota Fukai, Shogo Tachibana, Tomohiro…
CI chondrite Oued Chebeika 002 links asteroids Bennu and Ryugu to common parent body
Megan Broussard, Katharina Lodders, Paul K. Carpenter, Piers Koefoed, Karen Ziegler, Kunihiko Nishiizumi, Marc W. Caffee, Laurence A. J. Garvie, Ryan C. Ogliore, Anthony J. Irving, Bradley L. Jolliff, Kun Wang MAPS, Version of Record…
A highly limited amino acid library from asteroid Bennu yields wide-ranging protein foldsOPEN ACCESS
Stuart Bartlett, Arushi Gupta, Dominic Phung, Josh E. Goldford, Jiani Yang, Klara Hlouchova, Woodward Fischer & Yuk L. Yung Nature Communications, Published: 03 April 2026 LINK (OPEN ACCESS)PDF (OPEN ACCESS) “AI protein design software is…
In situ single-spot Rb/Sr cosmochronology of roedderite in the Ribbeck aubrite (asteroid 2024 BX1)OPEN ACCESS
Christopher J. Barnes, Aleksander Błasiak, Helge Vinje Birgerheim, Matthias Konrad-Schmolke, Delia Rösel, Jarosław Majka, Thomas Zack MAPS, Version of Record online: 01 April 2026 LINK (OPEN ACCESS)PDF (OPEN ACCESS) “The mineralogy and textures of several…
Tianwen-2 mission target asteroid (469219) Kamoʻoalewa probably develops an Itokawa-compositional but more space-weathered surfaceOPEN ACCESS
Pengfei Zhang, Guozheng Zhang, Zichen Wei, Mikael Granvik, Xiaoran Yan, Pengyue Wang, Qinwei Zhang, Ronghua Pang, Wen-Han Zhou, Te Jiang, Pierre Vernazza, Takahiro Hiroi, Edward Cloutis, Francesca DeMeo, Pierre Beck, Wing-Huen Ip, Marco Fenucci, Yongxiong…
Nanoscale infrared spectroscopy reveals complex organic–mineral assemblages in asteroid Bennu
Mehmet Yesiltas, Andrew Dopilka, Robert Kostecki, Timothy D. Glotch, and Paul Northrup PNAS, March 30, 2026, 123 (14) LINK “Asteroid Bennu preserves primitive material from the early solar system, and returned samples allow direct examination…
Physical properties of accessible Near Earth Objects, including the primitive (68278) 2001 FC7OPEN ACCESS
Sonia Fornasier, E. Dotto, P. Panuzzo, M. Delbó, J. Brucato, M.A. Barucci, F. De Luise IcarusAvailable online 26 March 2026, 117072 LINK + PDF (OPEN ACCESS) “Highlights “We used the Spitzer Space Telescope to carry…
New insights into Erg Chech 002 analogues in the main belt from near-infrared spectroscopyOPEN ACCESS
M. Galinier, C. Avdellidou, M. Delbo, L. Galluccio Icarus, In Press, Journal Pre-proof, Available online 23 March 2026 LINK + PDF (OPEN ACCESS) “Highlights “Erg Chech 002 is an andesitic meteorite that formed early in…
Iron isotope anomalies and the origin of the earthOPEN ACCESS
Timo Hopp, Shengyu Tian, Thorsten Kleine Icarus, Available online 22 March 2026, 117057 LINK + PDF (OPEN ACCESS) “Highlights “Understanding the origin of the Earth requires determining the original formation location of its building material….
‘Houston’ (prov.) meteorite fall (H chondrite) in Ponderosa Forest, Harris County, Texas, USA at 21:40:10 UT on 21 March 2026
Last update: 31 October 2026 (14:00 CET) A ~2-pound palm-sized meteorite fragment (H chondrite), probably of a higher petrologic type, weighing between 500 and 800 grams) fell through the roof of Sherrie A James’s house,…
In situ U-Pb chronology and chemistry of zirconolite in the andesitic meteorite Erg Chech 002OPEN ACCESS
Jun Sakuma, Hisashi Asanuma, Naoto Takahata, Akira Yamaguchi, Tsuyoshi Iizuka Accepted for publication in American Mineralogist PDF (OPEN ACCESS) “Precise and accurate ages for asteroidal crusts are fundamental for reconstructing the timeline of magmatic, metamorphic,…
Coexisting wadsleyite and ringwoodite in the Alfianello L6 ordinary chondrite
Lidia Pittarello, Valeria De Santis, Laura Carone, Giovanni Pratesi, Mauro Gemmi, Paola Parlanti, Andreas Steiger-Thirsfeld, Alessandro Di Michele, Gabriele Giuli MAPS, Version of Record online: 19 March 2026 LINK “The occurrence of ringwoodite in shocked…
WADSWORTH meteorite fall (>1728 g, Eucrite) near Wadsworth (Medina County) and Rittman (Wayne County), Ohio, USA at 12:56:42 UTC on 17 March 2026
Last update: 16 July 2026 (10:40 CEST) The first meteorite finds were reported on 18 March 2026. After a first online report of a small 1.75-gram specimen found in a concrete parking lot in Sharon…
Unveiling Ceres’ surface composition: Insights from the 1.2 micron band and aqueous alteration processes
Filippo Giacomo Carrozzo, Maria Cristina De Sanctis, Andrea Raponi, Marco Ferrari, Mauro Ciarniello, Eleonora Ammannito Icarus, In Press, Journal Pre-proof, Available online 17 March 2026 LINK “Highlights “Ceres, the largest object in the asteroid belt,…
A complete set of canonical nucleobases in the carbonaceous asteroid (162173) RyuguOPEN ACCESS
Toshiki Koga, Yasuhiro Oba, Yoshinori Takano, Hiroshi Naraoka, Nanako O. Ogawa, Kazunori Sasaki, Hajime Sato, Toshihiro Yoshimura & Naohiko Ohkouchi Nature Astronomy, Published: 16 March 2026 LINK (OPEN ACCESS)PDF (OPEN ACCESS) “Organic molecules delivered from…
Microspherules Formed by Lightning StrikesOPEN ACCESS
M. R. Boyd, M. J. Genge, A. G. Tomkins MAPS, First published: 15 March 2026 LINK (OPEN ACCESS)PDF (OPEN ACCESS) “Natural microspherules are formed by high-temperature processes and are present throughout the geologic record to…
Chronology of ungrouped achondrites Northwest Africa 11119 and 7325/8486: implications for early evolution of a heterogeneous crust on a differentiated planetesimal
Daniel R. Dunlap, Julia A. Cartwright, Piers Koefoed, Evgenii Krestianinov, Stephen J. Romaniello, Carl Agee, Yuri Amelin, Meenakshi Wadhwa Geochimica et Cosmochimica Acta, In Press, Journal Pre-proof, Available online 14 March 2026 LINK “The chronology…
Shortwave Infrared Microimaging Spectroscopy of the Martian MeteoritesOPEN ACCESS
J. K. Miura, B. L. Ehlmann, R. Greenberger, E. Cutts Journal of Geophysical Research: Planets, First Published: 13 March 2026 LINK (OPEN ACCESS)PDF (OPEN ACCESS) “Key Points “Until samples from the Martian surface are successfully…
Permeability as the first-order control on the rate of aqueous alteration in carbonaceous chondritesOPEN ACCESS
Bianka Babrián, Queenie H.S. Chan, Jens Najorka, James Malley, Lee F. White, Martin D. Suttle Geochimica et Cosmochimica ActaAvailable online 13 March 2026 LINK + PDF (OPEN ACCESS) “We performed a series of low temperature…
A re-assessment of moderately volatile elements in the non-matrix component of carbonaceous chondrites
Zhongtian Zhang, Damanveer S. Grewal IcarusAvailable online 13 March 2026, 117049 LINK “Highlights “All carbonaceous chondrites are variably depleted in moderately volatile elements (MVEs) relative to CI chondrites, which closely match the bulk composition of…
Zircon U-Pb Geochronology of Lunar Meteorite Dhofar 1442: Implications for Lunar Impact History and the Late Heavy BombardmentOPEN ACCESS
Qin Zhou, Qing-Zhu Yin, Ryan A. Zeigler, Bradley L. Jolliff, Qiu-Li Li & Yu Liu Journal of Earth Science, Published: 13 March 2026 LINK (OPEN ACCESS)PDF (OPEN ACCESS)
Isotopic ratio evolution in planetary materials by solar wind implantation
Qinting Jiang, Shun-ichiro Karato IcarusAvailable online 12 March 2026, 117046 LINK “Highlights “Isotopic ratios provide important constraints on the origin of materials. When considering the volatile contribution from the Sun (i.e., the solar wind) to…
The neodymium and samarium isotope compositions and cosmic ray exposure history of B-type asteroid (101955) Bennu
Zachary A. Torrano, Michelle K. Jordan, Lori N. Willhite, Richard W. Carlson Geochimica et Cosmochimica Acta, In Press, Journal Pre-proof, Available online 12 March 2026 LINK “We report Nd and Sm isotopic compositions of a…
