Experimental study on water delivery to target surfaces by hydrated projectile impactsOPEN ACCESS
Koske Matsubara, Yukari Yamaguchi, Akiko M. Nakamura, Sunao Hasegawa, Takafumi Niihara, Takehiko Wada IcarusAvailable online 30 April 2026, 117135 LINK + PDF (OPEN ACCESS) “Highlights “The presence of water on the Moon and on asteroids…
Shape and spin axis determination of the Tianwen-2 target asteroid (469219) Kamo’oalewa from lightcurve inversionOPEN ACCESS
Roberto Bonamico, Josef Hanuš, Marco Delbo Accepted for publication in Astronomy and Astrophysics Letters PDF (OPEN ACCESS) “Near-Earth asteroid (469219) Kamo’oalewa is an Earth quasi-satellite, temporarily trapped in a 1:1 orbital resonance with our planet….
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…
A Machine Learning Approach to Meteor Classification
Samantha Hemmelgarn, Nicholas Moskovitz, Denis Vida accepted for publication in Icarus PDF (OPEN ACCESS) Update (29 April 2026): Icarus, Available online 27 April 2026, 117128 LINK + PDF (OPEN ACCESS) “Highlights “We use machine learning…
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…
The science from asteroid sample return missionsOPEN ACCESS
Elizabeth J. Tasker, Harold C. Connolly Jr, Shogo Tachibana review article, accepted for publication in Contemporary Physics, 24 April 2026 PDF (OPEN ACCESS) “To date, three samples from near-Earth asteroids have been delivered to Earth…
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…
Deep learning-based meteorite detection using YOLOv5 and faster R-CNN: dataset optimization and onboard drone inference
Aisha Al-Owais & Munya Al-Khalifa Neural Computing and Applications, Volume 38, article number 325, Published: 21 April 2026 LINK “To facilitate meteorite hunting and distinguish meteorites from terrestrial rocks, this study evaluates two object-detection architectures:…
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…
Physical Analysis of Bennu Samples Reveals Regolith Production by Collisional Disruption on Near-Earth AsteroidsOPEN ACCESS
R.-L. Ballouz, A. J. Ryan, R. J. Macke, O. S. Barnouin, M. Lê, J. Moreno, S. Eckley, L. Hanton, A. Hildebrand, V. Toy-Edens The Planetary Science Journal, Volume 7, Number 4, Published: 21 April 2026…
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…
Depletion of moderately volatile elements by pebble accretion in Earth-like planets
Peter L. Olson, Zachary D. Sharp, Susmita Garai IcarusAvailable online 18 April 2026, 117110 LINK “Highlights “Protoplanets growing by pebble accretion capture massive hydrogen-helium atmospheres from the surrounding nebula. Pebbles settling through such atmospheres continuously…
Comparative analysis of meteor spectra observed simultaneously from multiple locations
Veronika Pazderová, Pavol Matlovič, Hadrien Devillepoix Icarus, In Press, Journal Pre-proof, Available online 17 April 2026 LINK “Highlights “Meteor spectroscopy is a key method for probing the composition of meteoroids, providing insights into both their…
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…
Homogeneous accretion of the Earth in the inner Solar SystemOPEN ACCESS
Paolo A. Sossi, Dan J. Bower Nature Astronomy, 13 April 2026 PDF (OPEN ACCESS) “Meteorites are classified as either non-carbonaceous- (NC) or carbonaceous (CC), representing bodies that likely formed in the inner- or outer solar…
A Search for Hydroacoustic Signals from BolidesOPEN ACCESS
P. Brown, L. McFadden, D. McCormack, M. Adams, D. Vida accepted Apr 14, 2026 to Icarus as part of Meteoroids 2025 conference special issue PDF (OPEN ACCESS) UPDATE (17 April 2026): Icarus, Available online 17…
From Dust to Planets — A Chemical PerspectiveOPEN ACCESS
Klaus Mezger, Jonas Pape, Aryavart Anand, Pascal M. Kruttasch, Hauke Vollstaedt, Jan Hoffmann Chapter accepted for publication in the NCCR PlanetS Legacy Book: Benz, W. et al. (Eds) PDF (OPEN ACCESS) “Chemical and chronological information…
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…
Overview of Hayabusa2 extended mission’s flyby of Near-Earth Asteroid (98943) TorifuneOPEN ACCESS
Masatoshi Hirabayashi, Masahiko Hayakawa, Yuya Mimasu, Naru Hirata, Takuya Iwaki, Shunichi Kamata, Kohei Kitazato, Toru Kouyama, Naoya Sakatani, Hajime Yano, Koki Yumoto, Masahiro Fujiwara, Sumito Shimomura, Takanao Saiki, Hiroshi Takeuchi, Eri Tatsumi, Yuichi Tsuda, Yasuhiro…
Dust Processing in Protoplanetary Discs From Infall to Dispersal: the Origin of Solar System Isotopic HeterogeneitiesOPEN ACCESS
Mark A. Hutchison, Maria Schönbächler, Lucio Mayer, Jean-David Bodénan Chapter accepted for publication in the NCCR PlanetS Legacy Book: Benz, W. et al. (Eds), The National Center for Competence in Research, PlanetS: A Swiss-wide network…
Atmospheric disintegration of irregular-shaped meteoroids with sintered discrete element model
Ziwen Li, Qingbo Gan, Xiangyuan Zeng MAPS, First published: 12 April 2026 LINK “How the internal structure of meteoroids affects their atmospheric disintegration remains an unsolved problem. This study develops a sintered discrete element model…
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…
Confirming the impact origin of the São Miguel do Tapuio structure, northeastern BrazilOPEN ACCESS
Alvaro Penteado Crósta, Neivaldo Araújo de Castro, Marcos Alberto Rodrigues Vasconcelos, Airton Natanael Coelho Dias, Ludovic Ferrière, Wolf Uwe Reimold, Ana Maria Góes, Jackson Alves Martins, Liliana Sayuri Osako, Raimundo Mariano Gomes Castelo Branco MAPS,…
Moodini Bluff to Middini Beach, Madura, Dundas Shire, Western Australia search area for potential meteorite fall on 1 July 2017 at 09:41:41 (UTC) published by DFN
The Desert Fireball Network (DFN) has released data to enable a public search for meteorites which are supposed to have fallen on 1 July 2017 at 09:41:41 (UTC) around location 32°07’21.8″S, 127°21’41.1″E. It has been…
Meteor clusters: tracing meteoroid fragmentation in near-Earth spaceOPEN ACCESS
Pavel Koten, David Čapek, Juraj Tóth, Jeremie Vaubaillon, Aisha Ashimbekova, Simon Anghel, Junichi Watanabe, Tomáš Vörös Icarus, Volume 454, August 2026, 117085, Available online 7 April 2026, Version of Record 10 April 2026. LINK PDF…
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…
The Volatile Inventory of 3I/ATLAS as Seen with JWST/MIRIOPEN ACCESS
Matthew Belyakov, Ian Wong, Bryce T. Bolin, M. Ryleigh Davis, Steven J. Bromley, Carey M. Lisse, and Michael E. Brown The Astrophysical Journal Letters, Volume 1001, Number 1, Published: 8 April 2026 LINK (OPEN ACCESS)PDF…
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…
AMOS global meteor network: Instrumentation, procedures, accuracy validation and results
Juraj Tóth, Leonard Kornoš, František Ďuriš, Pavol Matlovič, Pavol Zigo, Dušan Kalmančok, Tomáš Paulech, Jaroslav Šimon, Martin Baláž, Tomáš Vörös, Mária Paprskárová, Veronika Pazderová, Juraj Solčáni, Marcel Schichman, Peter Varga IcarusAvailable online 6 April 2026,…
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…
The rapidly evolving surface of asteroid 4 Vesta revealed by rayed craters and optical maturity
E.S. Costello , C.J. Tai Udovicic, L. Sun, P.G. Lucey Icarus, available online 2 April 2026, 117075 LINK “Highlights “We investigate the evolving surface of asteroid 4 Vesta using rayed craters and optical maturity parameters….
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…
