The pre-disruption hydrogen budgets of the tafassite and brachinite parent bodies
Liam D. Peterson, Conel M. O’D. Alexander, Jianhua Wang, Emma S. Bullock, Anthony J. Irving, Sune G. Nielsen MAPS, Version of Record online: 22 July 2026 LINK “Recent evidence from primitive achondrites and achondrites suggests…
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]…
The origin of Cretaceous-Palaeogene impactor revealed by nickel isotopesOPEN ACCESS
Georgy V. Makhatadze, Frédéric Moynier, Leslie-Anne Brun, Steven Goderis, Philippe Claeys, and Christian Koeberl Science Advances17 Jul 2026Vol 12, Issue 29 LINK (OPEN ACCESS)PDF (OPEN ACCESS) “Sixty-six million years ago, non-avian dinosaurs and other taxa…
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…
Microstructural evidence for multiple generations of sulfide precipitation and impact-induced thermal alteration under acidic conditions on Asteroid RyuguOPEN ACCESS
M. C. Benner, B. S. Prince, D. L. Schrader, T. J. Zega MAPS, First published: 17 July 2026 LINK (OPEN ACCESS)PDF (OPEN ACCESS) “Here we report on the microstructure and chemistry of sulfide minerals returned…
An 800 Myr-old Impact Shower on the Terrestrial Planets from the Breakup of the Eulalia Parent BodyOPEN ACCESS
William F. Bottke, David Vokrouhlický, Melissa Dykhuis and Nicolle Zellner The Planetary Science Journal, Volume 7, Number 7, published: 15 July 2026 LINK (OPEN ACCESS)PDF (OPEN ACCESS) “Multiple studies have proposed a substantial surge in…
The 40K-K dating system: 1. Improving data interpretation using new model calculationsOPEN ACCESS
Farshid Nozarian, Suzette Timmerman, Ingo Leya MAPS, Version of Record online: 16 July 2026 LINK (OPEN ACCESS)PDF (OPEN ACCESS) “The 40K-K cosmic-ray exposure (CRE) dating system offers a promising method for determining exposure ages of…
Episodic planetesimal disruptions triggered by dissipation of gas diskOPEN ACCESS
Kang Shuai, Li-Yong Zhou & Hejiu Hui Nature Communications, Volume 17, article number 6396, Published: 16 July 2026 LINK (OPEN ACCESS)PDF (OPEN ACCESS) “Catastrophic disruptions of planetesimals occur in high-velocity collisions. Radioisotope dating of planetesimal…
Mechanisms of Vesicle Evolution in the Fusion Crust of the Martian Meteorite NWA 10645
Chunjie Cao, Duojun Wang, Kenan Han, Kewei Shen, Kexuan Zhang JGR Planets, First Published: 16 July 2026 LINK “Key Points “The vesicles of meteorite fusion crusts offer a key window into transient processes during atmospheric…
Rapidly evolving composition of nebular infall recorded by magnesium isotopes in refractory inclusions
Haoyu Li, Ren T. C. Marquez, Gerrit Budde, Haolan Tang, Alexander N. Krot, Marina A. Ivanova, Johan Villeneuve, and François L. H. Tissot PNAS, July 16, 2026, 123 (29) LINK “The 26Al-26Mg systematics in calcium–aluminum-rich…
First ‘Cockburn Island’ (prov.) meteorites of bolide above Cockburn Island, Ontario, Canada at ~00:13:54 UTC on 20 June 2026 reportedly found
Last update: 19 July 2026 (11:15 CEST) Meteorite searchers Dave Kenny and Anton Clemens report having found the first two meteorites (probably ordinary chondrites) of the bolide above Cockburn Island, Ontario, Canada. According to Kenny…
Hillsborough (~1.35 kg, CM1/2) meteorite fall in Hillsborough, New Jersey, USA at 15:17:27.6 (UTC) on 16 July 2024
Shortly after 15:17:27.6 (UTC), at around 15:20 UTC, on 16 July 2024 a ~1.35-kg meteorite (CM1/2) fell through the roof of a house in Hillsborough, New Jersey, USA, somewhere near location 40°29’00.0″N, 74°35’00.0″W. The meteoroid…
Meteor over New York City: Brines in a primitive CM asteroidOPEN ACCESS
Peter Jenniskens*, Michael E. Zolensky, Austin Gordon, Jamie Gordon, Mike Hankey, Elizabeth A. Silber, Miro Ronac Giannone, Jangmi Han, Loan Le, Marc D. Fries, Karen Ziegler, Queenie H. S. Chan, Diptimayee Behera, Jonathan S. Watson,…
Constraints on the internal mass distribution of asteroid (101955) Bennu from OSIRIS-REx mission data
Ashish A. Cavale, Daniel J. Scheeres IcarusAvailable online 14 July 2026, 117260 LINK “Highlights “The OSIRIS–REx mission provided the first measured gravity field of a sub-kilometer asteroid, enabling constraints on the internal mass distribution of…
Interrogating 16 Psyche’s Interior with Rotational Dynamics and Gravity FieldOPEN ACCESS
Anton I. Ermakov The Planetary Science Journal, Volume 7, Number 7, published: 14 July 2026 LINK (OPEN ACCESS)PDF (OPEN ACCESS) “16 Psyche is an M-type main belt asteroid. 16 Psyche’s high density and radar-bright surface…
Mn-rich chondrule rims in CO3 chondrites: Implications for the composition of nebular dustOPEN ACCESS
Jillian Kirk, Myriam Telus, Pranvera Hyseni, Fatima Jorge-Chavez, Vanessa Mendoza, Steven J. Desch, Dale Burns, Steven Simon Icarus, In Press, Journal Pre-proof, Available online 14 July 2026 LINK (OPEN ACCESS) “Highlights “Chondrules are small igneous…
Origin of sulfur allotropes on the carbonaceous asteroid Ryugu and implications to the sulfur chemistry in the interstellar mediumOPEN ACCESS
Mason McAnally, Chaojiang Zhang, Jia Wang, Ashanie Herath, Andrew M. Turner, and Ralf I. Kaiser Science Advances10 Jul 2026Vol 12, Issue LINK (OPEN ACCESS)PDF (OPEN ACCESS) “The unexpected detection of the sulfur allotropes (S8, S7,…
Isotopic imprints of late molecular cloud infall in the outer Solar SystemOPEN ACCESS
Elishevah van Kooten, Sebastian Sjørring Lodal, Isaac Onyett, Lasse Rasmus Pohlmann, Jean Bollard, Courtney Rundhaug, Martin Schiller & Martin Bizzarro Nature Astronomy, Published: 10 July 2026 LINK (OPEN ACCESS)PDF (OPEN ACCESS) We spotted the following…
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…
Potassium isotopic compositions and exposure ages of evolved and silica-rich achondritesOPEN ACCESS
Z. Vaci, Z. Tian, P. Koefoed, M. Habermann, M. Humayun, K. Ziegler, H. Busemann, D. Krietsch, J. M. D. Day, K. Wang MAPS, Version of Record online: 07 July 2026 LINK (OPEN ACCESS)PDF (OPEN ACCESS)…
Cosmic Dust Flux During the Quaternary: The Record of Large Scoriaceous and Unmelted Micrometeorites From the Transantarctic Mountains CollectionOPEN ACCESS
S. Ottaviani, L. Folco, M. D. Suttle, R. Repič, L. Mancini, T. Battiston, S. Iannini Lelarge, M. Masotta JGR PLanets, First Published: 6 July 2026 LINK (OPEN ACCESS)PDF (OPEN ACCESS) “Key Points “We estimate the…
Refined rotational state and shape model of (98943) Torifune ahead of the Hayabusa2# flybyOPEN ACCESS
P. Fatka, P. Pravec, P. Scheirich, P. Kušnirák, K. Hornoch, H. Kučáková, M. Hirabayashi PDF (OPEN ACCESS) “The Hayabusa2# mission will perform a high-speed flyby of near-Earth asteroid (98943) Torifune on 5 July 2026, offering…
A cornucopia of null results: A statistical analysis of fireballs reported to the American Meteor SocietyOPEN ACCESS
Althea V. Moorhead PDF (OPEN ACCESS) (preview, 6 July 2026) Update (14 July 2026): LINKIcarus, available online 14 July 2026, 117259 “Highlights “In March 2026, the American Meteor Society announced that a “surge” of large…
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…
Chemical and isotopic compositions of aluminum-rich chondrules: insights into material mixing in the early solar systemOPEN ACCESS
Yuki Masuda, Yoshiaki Shiraishi, Tetsuya Yokoyama, Tsuyoshi Iizuka, Martin Schiller, Martin Bizzarro Geochimica et Cosmochimica ActaIn Press, Journal Pre-proof, Available online 5 July 2026 LINK + PDF (OPEN ACCESS) “Chondrules are high-temperature products formed in…
Petrogenesis of the Amazonian enriched gabbroic shergottite Northwest Africa 13440
Robert W. Nicklas, Dylan M. Seal, Melody Z. Chen, Kyra L. Schroeder, James M. D. Day, Ben G. Rider-Stokes, Anthony B. Love, James Malley MAPS, Version of Record online: 03 July 2026 LINK “As the…
Remanent crustal strain on Mars in non-poikilitic olivine of NWA 7721OPEN ACCESS
Yaozhu Li, Szilvia Kalácska, Phil J. A. McCausland, Roberta L. Flemming, Callum J. Hetherington, Bo Zhao, Can Yildirim & Carsten Detlefs npj Space Exploration, Volume 2, Article number: 30 LINK (OPEN ACCESS)PDF (OPEN ACCESS) “We…
