Magnetization records of terrestrial weathering in the Sericho pallasite
Ji-In Jung, Sophia Gaal, Sonia M. Tikoo, Ethan Lopes, Jonathan Mells, Dale H. Burns, Robert G. Hatfield MAPS, Version of Record online: 06 August 2026 LINK “Paleomagnetic investigations of pallasites are important for understanding the…
Oxygen isotope variability in the IIIAB iron meteorites and their relationship to main group pallasitesOPEN ACCESS
R. J. Windmill, I. A. Franchi, X. Zhao, R. C. Greenwood, M. Anand MAPS, Version of Record online: 28 July 2026 LINK (OPEN ACCESS)PDF (OPEN ACCESS) “The light element distribution in planetary cores and the…
The Polana-Eulalia Complex with JWST NIRSpec: Connections to Bennu, Ryugu, and Outer Solar System BodiesOPEN ACCESS
Lucas McClure, Joshua Emery, Driss Takir, Julia de Leon, Mario de Pra, Brittany Harvison, Bryan Holler, Javier Licandro, Tania Le Pivert-Jolivet, Joseph Masiero, Noemi Pinilla-Alonso Accepted in PSJ PDF (OPEN ACCESS) “Carbon rich [C complex]…
Refractory inclusions in Bennu samples indicative of outer Solar System accretionOPEN ACCESS
Noriyuki Kawasaki, Toru Matsumoto, Sota Arakawa, Naoya Sakamoto, Ken-ichi Bajo, Sara S. Russell, Jessica J. Barnes, Ann N. Nguyen, Timothy J. McCoy, Pierre Haenecour, Hisayoshi Yurimoto, Harold C. Connolly Jr. & Dante S. Lauretta Nature…
Implantation of icy planetesimals into the main asteroid belt due to the growth and outward migration of giant planetsOPEN ACCESS
Tomoki Takeichi, Sei-ichiro Watanabe Icarus, In Press, Journal Pre-proof, Available online 9 July 2026 LINK + PDF (OPEN ACCESS) “Highlights “Samples returned from the C-type asteroid Ryugu suggest that its parent body formed beyond proto-Saturn…
Chondrite parent bodies as escaped satellites of proto-planetary embryosOPEN ACCESS
Harold F. Levison, Rogerio Deienno, Kevin J. Walsh, Brandon C. Johnson, Harold C. Connolly, Jr., Shigeru Wakita, and Robert E. Grimm Science Advances8 Jul 2026Vol 12, Issue 28 LINK (OPEN ACCESS)PDF (OPEN ACCESS) “Chondrites are…
Distribution of purine and pyrimidine bases in Antarctic carbonaceous meteorites
Yasuhiro Oba, Takuto Tomaru, Toshiki Koga, Yoshihiro Furukawa, Sako Sunami, Toshihiro Yoshimura, Yuta Hirakawa, Nanako O. Ogawa, Naohiko Ohkouchi, Keiko Kuwamoto, Yoshinori Takano, Hiroshi Naraoka Geochimica et Cosmochimica ActaIn Press, Journal Pre-proof, Available online 6…
What Was the Initial O-Isotope Composition of Water Accreted by the CM Chondrites?
Suttle M. D.* METSOC 2026 abstract (PDF) “Numerical modelling (O-isotope perspective) shows CM chondrite alteration is best explained by isotopically light, TFL-like water (δ18O <30‰), moderate W/R (0.3-0.7), progressive heating (20-100°C), and pulsed dissolution. A…
Alteration History Effects on Soluble Organic Matter of the Tagish Lake Meteorite
Tunney L. D.* Slater G. F. Bowman D. T. Herd C. D. K. METSOC 2026 abstract (PDF) “An analysis of the bulk dichloromethane and hot water organic compound extractions of five Tagish Lake meteorite samples,…
Mineralogy and Petrology of Tagish Lake: Insights into Parent Body Alteration and Predictions for Asteroid Bennu
Olan-Rubio V.* Herd C. D. K. Apisuk N. METSOC 2026 abstract (PDF) “We analyzed samples TL5a, TL6 and TL7 to unveil their mineralogy and petrology for the first time. This can serve as a reference…
Timescales of CM Carbonaceous Chondrite Aqueous Alteration
Haller R. L. Lee M. R.* Hodson M. E. METSOC 2026 abstract (PDF) “To make a CM chondrite, just add water and leave in a warm place for 1000 years.”
Evaluating H2O Sources in the Ribbeck Aubrite
Hua F. T. S.* Stalder R. Joachim-Mrosko B. Hamann C. Hecht L. et al. METSOC 2026 abstract (PDF) “OH measured in Ribbeck enstatite by IR spectroscopy is non-structural and decreases after heating, indicating terrestrial adsorption….
Alteration of Meteorites in the Dense Collection Areas of East Antarctica: New Constraints Through the Belgica Mountains Collection
Pinto G. A.* Tollenaar V. Debaille V. Pourkhorsandi H. Gattacceca J. et al. METSOC 2026 abstract (PDF) “We analyzed the weathering degree of all the newly collected meteorites from the ULTIMO mission to the Belgica…
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?”
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…
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…
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…
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,…
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…
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…
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,…
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)…
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…
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,…
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…
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…
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…
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…
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…
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…
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…
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 +…
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…
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…
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…
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…
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…
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…
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…
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…
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…
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,…
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…
Classification of ordinary chondrites using Mössbauer spectroscopy: Introduction of a new criterion to the 4M method
Martyna Jakubowska, Jolanta Gałązka-Friedman, Marek Woźniak, Krzysztof Szopa, Katarzyna Brzózka, Barbora Pospíšilová, Agnieszka Grabias MAPS, Version of Record online: 11 March 2026 LINK “The paper presents a modified version of the 4M method, which is…
Triple oxygen and hydrogen stable isotope composition of hydroxyl water in Orgueil (CI-type) and Tagish Lake (C2-type) carbonaceous chondrites
Erik J.H. Oerter, Christopher D.K. Herd, Conel M.O’D. Alexander Geochimica et Cosmochimica Acta, In Press, Journal Pre-proof, Available online 27 February 2026 LINK “The primitive carbonaceous chondrites are of interest to cosmochemical science because they…
Gaia DR3 supervised classification of asteroid reflectance spectra
Marco Delbo, Thomas Dyer, Ullas Bhat, Chrysa Avdellidou, Laurent Galluccio, Amelia Minton LINK (OPEN ACCESS)PDF (OPEN ACCESS) “We present a supervised, probabilistic taxonomic classification of asteroid reflectance spectra from Gaia Data Release 3 (DR3). Using…
Data-driven classification of ordinary chondrites and asteroidal metal potential evaluationOPEN ACCESS
Tian-Yu Liu, Si-Jia Wei, Ke-Li Shi, Tian-Qi Qiu, Jun-Zhe Teng & Zheng-Jie Qiu Scientific Reports, Volume 16, Article number: 5826, Published: 20 January 2026 LINK (OPEN ACCESS)PDF (OPEN ACCESS) “Ordinary chondrites (OCs) comprise ~ 87% of meteorites…
A Collective Trigger for Widespread Planetesimal Formation Revealed by Accretion AgesOPEN ACCESS
James Bryson, Hannah Sanderson, Francis Nimmo, Sanjana Sridhar, Gregory Brennecka, Yves Marrocchi, Jason Terry PDF (OPEN ACCESS) “The formation of planetesimals was an integral part of the cascading series of processes that built the terrestrial…
Magnetic Properties as Additional Meteorite Classifiers
G. P. Markov, R. Zhang & V. E. Pavlov Solar System Research, Volume 60, article number 6, Published: 19 February 2026 LINK “In order to assess the possibility of using magnetic properties for classifying meteorites,…
Classification methods of ordinary chondrites – what can they tell us about meteorites?
M. Jakubowska, A. Grabias, M. Woźniak, J. Gałązka-Friedman & K. Szopa Interactions, Volume 247, article number 36, Conference Proceeding, Published: 18 February 2026 LINK “Ordinary chondrites are the most common meteorites falling to Earth, which…
Petrogenesis and Provenance of Unique Amphibole-Bearing Carbonaceous Chondrite Almahata Sitta 202: Further Evidence for a Ceres-Sized, Water-Rich Parent Body
Cyrena A. Goodrich, Victoria E. Hamilton, Michael E.Zolensky, Noriko Kita, Issaku Kohl, Lauren Tafla, Robert J. Macke, Takahiro Hiroi, Yoko Kebukawa, Wayne Buckley, Jacob B. Setera, Justin I. Simon, Allan H. Treiman, Jennifer S. Gorce,…
Compositional signatures of CM, CO, CV, and CK chondrites: Insights from Micro-FTIR spectroscopy and machine learning tools
M. Yesiltas, T.D. Glotch Icarus, In Press, Journal Pre-proof, Available online 16 February 2026 LINK “Highlights “Carbonaceous chondrites preserve diverse records of nebular and parent-body processes. Classification within the CM-CO-CV-CK chondrite systems may sometimes be…
Apatite in Bennu samples indicates multiple stages of aqueous alterationOPEN ACCESS
Laura B. Seifert, T. M. Erickson, L. P. Keller, J. J. Barnes, K. Thomas-Keprta, L. Le, J. Gorce, Z. Rahman, T. J. Zega, H. C. Connolly Jr, D. S. Lauretta MAPS, Version of Record online:…
A window into the early stages of aqueous alteration from mackinawite in samples of asteroid BennuOPEN ACCESS
M.C. Benner, T.J. Zega, B.S. Prince, Z.E. Wilbur, H.C. Connolly Jr., D.S. Lauretta Geochimica et Cosmochimica Acta, In Press, Journal Pre-proof, Available online 6 February 2026 LINK + PDF (OPEN ACCESS) “We report the discovery…
Low temperature brine formation by serpentinization on asteroid (162,173) Ryugu
Guy Libourel, Marc Portail, Vincent Guigoz, Virginie Brändli, Cyrille Collin, Nathalie Vigier, Tomoki Nakamura, Hikaru Yabuta, Shogo Tachibana, Cecile Engrand Earth and Planetary Science LettersVolume 679, 1 April 2026, 119885Version of Record 30 January 2026…
Spatially and structurally distinct IOM populations in carbonaceous chondrites describe pre-parent body thermal alteration histories and parent body aqueous alteration
Ryan S. Jakubek, Marc D. Fries, Francis M. McCubbin, Devin L. Schrader, Andrew Steele, Jemma Davidson Geochimica et Cosmochimica Acta, In Press, Journal Pre-proof, Available online 29 January 2026 LINK “We collected Raman images of…
Reflectance spectroscopy (200-4200 nm) of the red-sloped C2 carbonaceous chondrites MET 00432, Tagish Lake, Tarda, and WIS 91600 (“CT” grouplet)
Edward A. Cloutis, Devin L. Schrader, Daniel M. Applin, Tomoki Nakamura, Timothy D. Glotch, Takahiro Hiroi, Moe Matsuoka, Michael E. Zolensky, Joshua P. Emery, Kristi M. Peters Icarus, In Press, Journal Pre-proof, Available online 22…
Data-driven classification of ordinary chondrites and asteroidal metal potential evaluationOPEN ACCESS
Tian-Yu Liu, Si-Jia Wei, Ke-Li Shi, Tian-Qi Qiu, Jun-Zhe Teng & Zheng-Jie Qiu Scientific reports, Published: 20 January 2026 We are providing an unedited version of this manuscript to give early access to its findings….
Constraints on the impactor flux to the Earth–Moon system from oxygen isotopes of the lunar regolith
Anthony M. Gargano, Justin I. Simon, Erick Cano, Karen Ziegler, Charles K. Shearer, James M. D. Day, and Zachary Sharp PNAS: Earth, Atmospheric, and Planetary SciencesJanuary 20, 2026, 123 (4) e2531796123 LINK “Significance: Lunar regolith…
Influence of minerals on aldose formation during hydrothermal processes in meteorite parent bodiesOPEN ACCESS
Taiyu Fujii, Shunpei Abe, Naoki Hirakawa, Kensei Kobayashi & Yoko Kebukawa Progress in Earth and Planetary Science, Volume 13, article number 6, Published: 20 January 2026 LINK (OPEN ACCESS)PDF (OPEN ACCESS) “Various prebiotic organic compounds…
Phyllosilicate Infrared Spectral Features as Tracers of Aqueous Alteration in CM Chondrites and Implications for Remote Sensing of Hydrated AsteroidsOPEN ACCESS
W. M. Lawrence, B. L. Ehlmann JGR Planets, First Published: 20 December 2025 LINK (OPEN ACCESS)PDF (OPEN ACCESS) “Key Points “CM (Mighei-type) carbonaceous chondrites host abundant OH/H2O-bearing phyllosilicates formed from water-rock reactions in primitive planetesimals….
Rediscovering Lucky Hill: SEM-EDS insights into the composition and weathering of a Jamaican meteoriteOPEN ACCESS
Yasmani Ceballos Izquierdo, Gabriel Gonçalves Silva, Johanset Orihuela León Geologia USP – Serie Cientifica 25(4):89-98, December 2025 LINK (OPEN ACCESS)PDF (OPEN ACCESS) “The Lucky Hill meteorite, discovered in 1885 in Jamaica, remains one of the…
Rapid terrestrial weathering of the CI1 carbonaceous chondrite find Oued Chebeika 002OPEN ACCESS
Martin R. Lee, Jasper Glazer MAPS, Version of Record online: 22 December 2025 LINK (OPEN ACCESS) PDF (OPEN ACCESS) “Alteration of historic CI1 meteorite falls during their curation demonstrates the susceptibility of smectite-rich carbonaceous chondrites…
Aqueous alteration in the C2-ung Tarda meteorite: in situ isotopic evidence from dolomite and magnetite
Bennett J.K. Wilson, Kazuhide Nagashima, Thomas J. Barrett, Veronica E. Di Cecco, Kimberly T. Tait, Michael G. Daly Geochimica et Cosmochimica Acta, In Press, Journal Pre-proof, Available online 21 December 2025 LINK “The Tarda meteorite…
Fluid history in the ungrouped C2 Essebi meteorite parent bodyOPEN ACCESS
L.J. Riches, M.D. Suttle, I.A. Franchi, X. Zhao, M.M. Grady Geochimica et Cosmochimica ActaIn Press, Journal Pre-proof, Available online 18 December 2025 LINK + PDF (OPEN ACCESS) “Analysis of carbonate minerals in ungrouped carbonaceous chondrites…
An I-Xe age 8 Myr after solar system formation in a Hayabusa2 sample records alteration on the parent planetesimal of asteroid RyuguOPEN ACCESS
S.A. Crowther, J.S. Cowpe, L. Fawcett, J.D. Gilmour, R. Okazaki, F. Kitajima, T. Yada, S. Tachibana, K. Yogata, K. Sakamoto, H. Yurimoto, T. Nakamura, T. Noguchi, H. Naraoka, H. Yabuta, S. Watanabe, Y. Tsuda, M….
Nitrogen- and oxygen-rich organic material indicative of polymerization in pre-aqueous cryochemistry on Bennu’s parent bodyOPEN ACCESS
Scott A. Sandford, Zack Gainsforth, Michel Nuevo, Matthew A. Marcus, Hans A. Bechtel, Ryan C. Ogliore, Clive Jones, Gerardo Dominguez, Daniel P. Glavin, Jason P. Dworkin, Timothy J. McCoy, Sara S. Russell, Thomas J. Zega,…
Abundant supernova dust and heterogeneous aqueous alteration revealed by stardust in two lithologies of asteroid BennuOPEN ACCESS
Ann N. Nguyen, Laura B. Seifert, Kei Shimizu, Kathie Thomas-Keprta, Loan Le, Lindsay P. Keller, Simon J. Clemett, Zia Rahman, Jessica J. Barnes, Harold C. Connolly Jr. & Dante S. Lauretta Nature Astronomy, Published: 02…
Prebiotic organic compounds in samples of asteroid Bennu indicate heterogeneous aqueous alterationOPEN ACCESS
Angel Mojarro, José C. Aponte, Jason P. Dworkin, Jamie E. Elsila, Daniel P. Glavin, Harold C. Connolly Jr., and Dante S. Lauretta PNAS, 122 (49) e2512461122, November 24, 2025 LINK (OPEN ACCESS)PDF (OPEN ACCESS) “NASA’s…
Controls on the petrologic type of CM carbonaceous chondrites evaluated by geochemical equilibrium modellingOPEN ACCESS
Robin L. Haller, Martin R. Lee MAPS, In Press, Journal Pre-proof, Available online 30 October 2025 LINK + PDF (OPEN ACCESS) “The most abundant group of carbonaceous chondrites are the Mighei-like (CM) meteorites, and they…
Features of Degassing of the Carbonaceous Chondrite Dar al Gani 190 (CO3) in the Temperature Range 200–800°C
S. A. Voropaev, N. V. Dushenko, A. P. Krivenko, V. S. Fedulov & K. M. Ryazantsev Solar System Research, Volume 59, article number 90, Published: 22 October 2025 LINK “The degassing of material from the…
Noble gases and nitrogen in material from asteroid BennuOPEN ACCESS
B. Marty, L. Zimmermann, E. Füri, D. V. Bekaert, J. J. Barnes, A. N. Nguyen, H. C. Connolly, D. S. Lauretta MAPS, Version of Record online: 02 October 2025 LINK (OPEN ACCESS)PDF (OPEN ACCESS) “We…
Placing asteroid Bennu’s organic solids in molecular and elemental context with those in aqueously altered carbonaceous chondrites
George D. Cody, Conel M. O’D. Alexander, Dionysis I. Foustoukos, Robert M. Hazen, Daniel P. Glavin, Jason P. Dworkin, Yoshihiro Furakawa, Toshiki Koga, Harold C. Connolly Jr., Dante S. Lauretta Geochimica et Cosmochimica Acta, In…
A statistical investigation into relationships between the IIE irons and the ordinary, F and “HH” chondritesOPEN ACCESS
Rachel S. Kirby, Penelope L. King, Andrew G. Tomkins MAPS, Version of Record online: 05 September 2025 LINK (OPEN ACCESS)PDF (OPEN ACCESS) “It has been proposed that IIE iron meteorites formed through impact processes on…
A collisional history of the L chondrite parent bodies
Mathieu Roskosz, Béatrice Doisneau, Etienne Deloule, Guillaume Fiquet, Marco Delbo & Matthieu Gounelle Nature Astronomy, Published: 05 September 2025 LINK “L chondrites are some of the most common meteorites retrieved on Earth. Their Ar–Ar collision…
Isotopic analysis of tochilinite (carbonate and magnetite) in Winchcombe: Temperature constraints on early-stage aqueous alteration in the CM parent bodyOPEN ACCESS
M. D. Suttle, R. Findlay, I. A. Franchi, C. Biagioni, X. Zhao, F. A. J. Abernethy, L. Riches, L. Folco MAPS, Version of Record online: 03 September 2025 LINK (OPEN ACCESS)PDF (OPEN ACCESS) “We report…
Interrogating leaching procedures of meteorites for triple oxygen isotope analyses
Riley Havel, Daniel E. Ibarra, Rainer Bartoschewitz, Gerrit Budde MAPS, Version of Record online: 01 September 2025 LINK “Triple oxygen isotope analyses of meteorites are a fundamental tool for classifying meteorites and investigating early solar…
Constraints on the fluid alteration of Nakhla meteorite inferred from Fe-rich phyllosilicate characterization
Isabella Pignatelli, Enrico Mugnaioli, Yves Marrocchi, Luigi Folco MAPS, Version of Record online: 25 August 2025 LINK “The Nakhla Martian meteorite is known to contain secondary minerals, in particular phyllosilicates, that have recorded the conditions…
The variety and origin of materials accreted by Bennu’s parent asteroidOPEN ACCESS
J. J. Barnes, A. N. Nguyen, F. A. J. Abernethy, K. Bajo, D. V. Bekaert, E. Bloch, G. A. Brennecka, H. Busemann, J. S. Cowpe, S. A. Crowther, M. Ek, L. J. Fawcett, M. A….
Mineralogical evidence for hydrothermal alteration of Bennu samplesOPEN ACCESS
T. J. Zega, T. J. McCoy, S. S. Russell, L. P. Keller, Z. Gainsforth, S. A. Singerling, V. R. Manga, C. Harrison, G. Libourel, B. S. Prince, K. Thomas-Keprta, A. King, M. Portail, V. Guigoz,…
The sub-μm petrography of the observed meteorite fall Winchcombe—A complex array of pristine and altered chondrite componentsOPEN ACCESS
Johannes Lier, Christian Vollmer, Linus Risthaus, Demie Kepaptsoglou, Quentin M. Ramasse, Aleksander B. Mosberg, Ashley J. King, Charlotte L. Bays, Paul F. Schofield MAPS, Version of Record online: 21 August 2025 LINK (OPEN ACCESS)PDF (OPEN…
Iron XANES measurements of carbonates and phyllosilicates in CM chondrites: A record of redox conditions during aqueous alterationOPEN ACCESS
Elizabeth Bailey, Myriam Telus, Phoebe J. Lam, Samuel M. Webb MAPS, Version of Record online: 09 August 2025 LINK (OPEN ACCESS)PDF (OPEN ACCESS) “Multiple generations of calcite and dolomite precipitated in CM chondrites during ice…
On the spatiotemporal coincidence of meteorites in recent fall search campaignsOPEN ACCESS
P. Grèbol-Tomàs, E. Peña-Asensio, J. M. Trigo-Rodríguez, J. Ibáñez-Insa Accepted for publication in MNRAS, preprint 6 August 2025 PDF (OPEN ACCESS) Update (9 August 2025): Monthly Notices of the Royal Astronomical Society, Published: 08 August…
Constraining oxygen isotope exchange kinetics between organic compounds and water using electrospray ionization Orbitrap mass spectrometry, and implications for the oxygen isotopic compositions of meteoritic organics
Surjyendu Bhattacharjee, John M. Eiler Geochimica et Cosmochimica ActaAvailable online 5 August 2025 LINK “Oxygen isotopic composition of organic compounds is an important tracer of processes and environmental conditions, with applications ranging from prebiotic organic…
Identification of hydroandradite in CM carbonaceous chondrites: A product of calc-silicate alteration on C-complex asteroids
Laura E. Jenkins, Martin R. Lee, Luke Daly, Ashley J. King, Peter Chung, Sammy Griffin, Shijie Li American Mineralogist (2025) 110 (8): 1238–1248 LINK “A hydrous Ca-Fe-rich silicate identified as hydroandradite was observed in the…
Traces of the oxygen isotope composition of ancient air in fossilized cosmic dustOPEN ACCESS
Fabian Zahnow, Martin D. Suttle, Marina Lazarov, Stefan Weyer, Tommaso Di Rocco, Luigi Folco & Andreas Pack Communications Earth & Environment, Volume 6, Article number: 577 LINK (OPEN ACCESS)PDF (OPEN ACCESS) “As a sub-type of…
Northwest Africa 13489: A Strongly Metamorphosed Ungrouped Carbonaceous ChondriteOPEN ACCESS
T. Cuppone, C. Carli, M. Casalini, A. Stephant, C. R. Greenwood, G. Pratesi MAPS, Version of Record online: 21 July 2025 LINK (OPEN ACCESS)PDF (OPEN ACCESS) “NWA 13489 is a meteorite that has been classified…
Curation and Storage of Astromaterials: A Magnetic Perspective
Jérôme Gattacceca, Clara Maurel, Aurore Hutzler, Pierre Rochette & Benjamin P. Weiss Space Science Reviews, Volume 221, article number 67, Published: 08 July 2025 LINK “In this exciting new era of sample return space missions…
Oxygen isotopic heterogeneities in refractory inclusions in the ungrouped carbonaceous chondrite Acfer 094
Timothy J. Fagan, Sachio Kobayashi, Alexander N. Krot, Hisayoshi Yurimoto MAPS, Version of Record online: 24 June 2025 LINK “Oxygen isotopic compositions of minerals in three Ca-Al-rich inclusions (CAIs), one amoeboid olivine aggregate (AOA) and…
The breathing of clay-rich astromaterials on Earth: Insights from the Tarda (C2-ung) and Aguas Zarcas (CM2) meteorites
Laurence A. J. Garvie, László Trif, Christian G. Hoover MAPS, Version of Record online: 20 June 2025 LINK “Meteorites arriving on Earth possess indigenous organic, isotopic, mineralogic, and magnetic properties that reveal conditions and processes…
Carbon and oxygen isotope evidence for a protoplanetary disk origin of organic solids in meteorites
William M. Lawrence, Geoffrey A. Blake, and John Eiler PNAS, June 2, 2025, 122 (24) LINK “Macromolecular organic solids found in primitive meteorites were the main source of carbon delivered to forming planets in the…
Rare Phosphides and Nitrides in Igneous Clasts within Aqueously Altered ChondritesOPEN ACCESS
Lucas. R. Smith, Pierre Haenecour, Jessica J. Barnes, Kenneth Domanik, Yao-Jen Chang and Dolores Hill The Planetary Science Journal, Volume 6, Number 5, Published: 27 May 2025 LINK (OPEN ACCESS)PDF (OPEN ACCESS) “Chondritic meteorites and…
Oxygen-isotope variations in refractory inclusions from Rumuruti-type chondrites: Evidence for nebular gas heterogeneity and parent-body exchangeOPEN ACCESS
Samuel Ebert, Kazuhide Nagashima, Alexander N. Krot, Addi Bischoff Geochimica et Cosmochimica ActaIn Press, Journal Pre-proof, Available online 24 May 2025 LINK + PDF (OPEN ACCESS) “Refractory inclusions [Ca,Al-rich inclusions (CAIs) and amoeboid olivine aggregates…
Identifying LL Chondrite Near-Earth Asteroids Using LL Chondrite Reflectance SpectraOPEN ACCESS
Pengyue Wang (王鹏越), Edward Cloutis, Ye Su (苏烨), and Man-To Hui (许文韬) The Astrophysical Journal Letters, Volume 985, Number 1 LINK (OPEN ACCESS)PDF (OPEN ACCESS) “Most near-Earth objects are thought to originate from the collisional…
Origin of eclogitic clasts in CR chondrite Northwest Africa 801: Growing evidence for large parent bodies in the CR reservoir of the early solar system
J.S. Gorce, E.A. Heiny, J. Filiberto, C. Goodrich Earth and Planetary Science LettersVolume 662, 15 July 2025, 119371 LINK “Highlights “There is a growing body of evidence that the range of planetary parent bodies sizes…
Multiple CV chondrite lithologies in Camel Donga 003 (CK3): Implications for the CV and CK parent bodies
Elana G. Alevy, Tasha L. Dunn, Alexander N. Krot, Paul Cardon-Pilotaz, Juliane Gross MAPS, Version of Record online: 06 May 2025 LINK “Camel Donga 003 (CD 003) was originally classified as a CK3 chondrite based…
“CY1” Chondrites Produced by Impact Dehydration of the CI Chondrite Parent BodyOPEN ACCESS
Ke Zhu (朱柯), Nao Nakanishi, Jan Render, Quinn R. Shollenberger, Tetsuya Yokoyama, Akira Ishikawa, and Lu Chen The Astrophysical Journal Letters, Volume 984, Number 2 LINK (OPEN ACCESS)PDF (OPEN ACCESS) “The recently proposed Yamato-type (CY)…
Mass-independent fractionation of oxygen isotopes during high-temperature condensation in cosmochemical plasmas
Nathan Asset, Marc Chaussidon, Guillaume Lombardi, Johan Villeneuve, Romain Tartèse, Smail Mostefaoui, and François Robert PNAS, April 28, 2025, 122 (18) LINK “SignificanceThe origins of oxygen mass-independent isotope fractionations in solar system materials have remained…
Experimental investigations of mineral-organic chondritic analogs under hydrothermal conditions: implications for carbonaceous asteroids
Coline Serra, Olivier Grauby, Daniel Ferry, Fabrice Duvernay, Grégoire Danger, Johanna Marin-Carbonne, Vassilissa Vinogradoff Geochimica et Cosmochimica ActaIn Press, Journal Pre-proof, Available online 22 April 2025 LINK “The occurrence of hydroxylated minerals in carbonaceous chondrites…
Aqueous Alteration of Forsterite Glass in PlanetesimalsOPEN ACCESS
Yudai Kobayashi, Tomoko Ikeda-Fukazawa ACS Earth and Space Chemistry, April 19, 2025 LINK (OPEN ACCESS)PDF (OPEN ACCESS) “To investigate the aqueous alteration mechanisms of forsterite glass in planetesimals, molecular dynamics calculations were performed using two-phase…
Hydration and dehydration of CM chondrites revealed by X-ray diffraction combined with textural observations and compositional dataOPEN ACCESS
Naoya Imae, Makoto Kimura, Akira Yamaguchi MAPS, Version of Record online: 18 April 2025 LINK (OPEN ACCESS)PDF (OPEN ACCESS) “The in-plane rotation method is used to obtain X-ray random diffraction (XRD) patterns of polished thin…
Pairing and classification assessment of CM chondrites from the Meteorite Hills, Transantarctic Mountains
K. Righter, M. Welby, H. C. Bates, A. J. King, P. F. Schofield, J. Schutt, R. Harvey, J. Karner, B. Rougeux, K. Pando, C. Satterwhite MAPS, Version of Record online: 18 April 2025 LINK “The…
A Potůčky fragment of the Steinbach IVA-an meteorite: Implications from the trace-element composition of the constituent phases
Alexandre V. Andronikov, Irina E. Andronikova, Ondrej Pour, Petr Bohdalek MAPS, Version of Record online: 03 April 2025 LINK “We have analyzed in situ mineral phases in a Potůčky fragment of the stony-iron IVA-an meteorite…
Classifying meteorites with MetNet: A deep learning approach using reflectance spectroscopy
Roshan Nath, Soham Mali, Denesh K., Neha Panwar, Abhishek J. Verma, Avadh Kumar, Ramakant R. Mahajan, Amit Basu Sarbadhikari, M. E. Varela, Shuhrat A. Ehgamberdiev, Tvisha Kapadia, Neeraj Srivastava MAPS, Version of Record online: 27…
Kumtag 061: A heavily shocked brachinite
Yuwei Zhang, Dongliang Zhang, Thomas Smith, P. M. Ranjith, Huaiyu He, Guangming Song, Yan Fan & Shijie Li Acta Geochimica, Published: 21 March 2025 LINK “Brachinite is a group of primitive achondrites that enables investigating…
Near- and mid-infrared spectral diversity in the Aguas Zarcas carbonaceous chondrite and implications for inferring aqueous processes on primitive asteroids using remote sensing
Cody Schultz, Ralph E. Milliken, Joseph Boesenberg, Imene Kerraouch MAPS, Version of Record online: 21 March 2025 LINK “CM carbonaceous chondrites are complex brecciated meteorites that exhibit significant chemical, mineralogic, and petrographic diversity both between…
Site-specific D-H exchange of amino acids under asteroidal hydrothermal conditions
Yuanyuan He, Flavio Siro Brigiano, Michel Sablier, Nadezda Khodorova, David Boulesteix, Arnaud. Buch, Peter Reinhardt, Sylvain Bernard, Laurent Remusat Geochimica et Cosmochimica ActaAvailable online 19 March 2025 LINK “Amino acids detected in carbonaceous chondrites are…
Review of asteroid, meteor, and meteorite-type linksOPEN ACCESS
Peter Jenniskens, Hadrien A. R. Devillepoix MAPS, Version of Record online:17 March 2025 LINK (OPEN ACCESS)PDF (OPEN ACCESS) “With the goal to determine the origin of our meteorites in the asteroid belt, video and photographic…
Measuring the Effects of Regolith Porosity on Mid-IR Spectra of the Allende MeteoriteOPEN ACCESS
Lonnie D. Dausend, Audrey C. Martin and Joshua P. Emery The Planetary Science Journal, Volume 6, Number 3, Published: 4 March 2025 LINK (OPEN ACCESS)PDF (OPEN ACCESS) “Mid-infrared (MIR; 5–35 μm) spectroscopy of laboratory meteorites…
Raman spectroscopic analysis of carbonates on a CY-type carbonaceous chondrite Yamato 980115: unexpectedly abundant terrestrial weathering productsOPEN ACCESS
Shu-hei Urashima, Hayato Tsuchiya, Naoya Imae, Akira Yamaguchi & Hiroharu Yui Raman Spectroscopy for Analytical Applications, Published: 24 February 2025 LINK (OPEN ACCESS)PDF (OPEN ACCESS) “This study presents Raman spectra of carbonates on a carbonaceous…
