A PCA-GMM-based adaptive probabilistic boundary model for chemical-group classification of ordinary chondrites
Xing Liu, Zhipeng Xia, Bingkui Miao, Cheng Xu Icarus, published: 21 October 2026 LINK “Highlights “The chemical-group classification of ordinary chondrites is primarily based on the fayalite content of olivine (Fa) and the ferrosilite content…
Mineralogical analysis of Vigarano group NWA 5508 carbonaceous chondrite by SEM-EDS, micro-Raman, and FTIR spectroscopy
CEREN KAMIL, OZAN UNSALAN, CISEM ALTUNAYAR-UNSALAN & MICHAEL ZOLENSKY Journal of Astrophysics and Astronomy, Published: 22 October 2026 LINK “NWA 5508 was characterized by SEM-EDS, micro-Raman, and infrared (IR) reflectance spectroscopy. SEM-EDS analysis identified Mg,…
The craters that never were: Anthropogenic origins of alleged impact structures in the Chiemgau regionOPEN ACCESS
Robert Huber, Hans Lauterbach, Robert Darga MAPS, Version of Record online: 21 October 2026 LINK (OPEN ACCESS)PDF (OPEN ACCESS) “Public fascination with impact craters often drives bold speculations, but rigorous verification is critical. In southeastern…
Xenoliths in meteorites: Insights into the dynamics of material exchange between asteroidsOPEN ACCESS
J. Gattacceca, B. Devouard, L. Bonal, Y. Marrocchi, A. Greshake, R. Tartèse, M. Gounelle, D. AuYang, C. Sonzogni, M. Hutson, A. Irving, C. Agee, T. Shisseh, A. Love, V. Vidal, D. Borschneck, S. A. Eckley,…
Comments on the publication by Rachel S. Kirby, Penelope L. King, and Andrew G. Tomkins “A statistical investigation into relationships between the IIE irons and the ordinary, F and ‘HH’ chondrites.”Meteoritics & Planetary Science 60, Nr 10, 2376–2400
Marina A. Ivanova, Michael K. Weisberg MAPS, Version of Record online: 20 October 2026 LINK “These comments are devoted to our observations based on recently reviewing publications regarding reduced ungrouped chondrites (F-, HH, and others)….
Constraining shock ages and Sr-Os isotope geochemistry of brachinites and brachinite-like achondrites
Robert W. Nicklas, Aratz Beranoaguirre, Dylan M. Seal, James M. D. Day, Ethan F. Baxter, Anthony B. Love MAPS, Version of Record online: 20 October 2026 LINK “Brachinites and brachinite-like achondrites record melting processes at…
Mineralogy of C1, C2, and CM-like clasts in achondritic and chondritic meteorite breccias
Subhasmita Swain, Enrico Mugnaioli, Anna Musolino, Markus Patzek, Beda Hofmann, Surya Snata Rout MAPS, Version of Record online: 20 October 2026 LINK “Volatile-rich xenolithic clasts in different meteoritic breccias represent primitive solar system material. Here,…
Nature and evolution of Yamato-type carbonaceous chondrites: Clues from Ti-minerals in Dhofar 1988
Shu-Zhou Wang, Ai-Cheng Zhang, Tian-Ran Du, Jia-Ni Chen, Yuan-Yun Wen MAPS, Version of Record online: 20 October 2026 LINK “Yamato-type (CY) carbonaceous chondrites are a group of meteorites that experienced both intense aqueous alteration and…
Spectroscopic Studies of Meteors within the Skytinel NetworkOPEN ACCESS
Ernest Świerczyński, Mateusz Żmija, Paweł Zaręba, Tomasz Żywczak Submitted to Astronomische Nachrichten, 18 October 2026 PDF (OPEN ACCESS) “We present 12 low-resolution meteor spectra recorded at four stations of the Skytinel network in Poland, focusing…
Radar and Infrasound Observations of the 2026 May 30 Cape Cod Bay SuperbolideOPEN ACCESS
Juha Vierinen, Ryan Volz, Marc Fries, Elizabeth A. Silber, Sarah Albert, Philip J. Erickson, Matthias Clahsen, Frank D. Lind, Nico Pfeffer, John Swoboda, Allan Weatherwax, Simon G. Shepherd, Jorge L. Chau Submitted to The Astronomical…
Reconstructing the aqueous environment of the Ryugu parent body through the speciation of multiple elementsOPEN ACCESS
Takahiro Kawai, Keisuke Fukushi, Tomohiro Ohno, Hiroki Suga, Masayuki Uesugi, Ayu Takemoto, Akiko Yamaguchi, Takaaki Itai, Yuta Ijichi, Shohei Yamashita, Yasuhiro Niwa, Ryoichi Nakada, Mizuho Koike, Hideto Yoshida, Masaki Oura, Megumi Matsumoto, Tomohiro Usui, Yoko…
Correlative Microstructural Analysis of a Weathered Nantan Meteorite FragmentOPEN ACCESS
Graeme J. Francolini, Brendan V. Dyck, Paul Mack, Ben Britton PDF (OPEN ACCESS) “The weathering of iron-rich phases within meteorites is a multi-stage process that significantly alters the microstructure and chemical composition based both on…
Water and hydroxyl on asteroid Bennu: Reconciling remote observations with OSIRIS-REx sample analysisOPEN ACCESS
Hannah H. Kaplan, Amy A. Simon, Victoria E. Hamilton, Joshua P. Emery, Dennis Reuter, Andy J. López-Oquendo MAPS, Version of Record online: 14 October 2026 LINK (OPEN ACCESS)PDF (OPEN ACCESS) “This study investigates the spatial…
Assessing the analytical capabilities of handheld laser-induced breakdown spectroscopy (hLIBS) on corroded iron objects of possible meteoritic originOPEN ACCESS
Giorgio S. Senesi, Albert Jambon, Olga De Pascale, Lahcen Ouknine, Hassan Nachit, Fouad Khiri, Abderrahmane Ibhi MAPS, Version of Record online: 14 October 2026 LINK (OPEN ACCESS)PDF (OPEN ACCESS) “Despite meteorites having been recognized as…
Thermal history of an amoeboid olivine aggregate in the early solar nebulaOPEN ACCESS
M. Kimura, N. Imae, M. Komatsu, A. Yamaguchi MAPS, Version of Record online: 14 October 2026 LINK (OPEN ACCESS)PDF (OPEN ACCESS) “Carbonaceous chondrites commonly contain amoeboid olivine aggregates (AOAs). Here, we investigated an AOA in…
Tracing the main belt origins of S-complex near-Earth objects: From space mission targets to meteorite sourcesOPEN ACCESS
P. N. Simon, P. Vernazza,M. Marsset, M. Brož, R. P. Binzel, F. DeMeo, C. A. Thomas, L. Jorda Accepted for publication in A&A, 7 October 2026 PDF (OPEN ACCESS) “Context. Space missions to near-Earth objects…
Hubble Space Telescope Observations of Active Asteroid (101955) BennuOPEN ACCESS
David Jewitt, Max Mutchler, Yoonyoung Kim PDF (OPEN ACCESS) “Measurements from NASA’s OSIRIS-REx spacecraft revealed (101955) Bennu as a member of the active asteroid class. These objects exhibit transient, comet-like activity, commonly producing particle trails…
Reply to comments on the publication “A statistical investigation into the relationships between the IIE irons and the ordinary, F and “HH” chondrites.”Meteoritics & Planetary Science 60, 2376–2400
R. S. Kirby, P. L. King, A. G. Tomkins MAPS, Version of Record online: 05 October 2026 LINK A statistical investigation into the relationships between the IIE irons and the ordinary, F and “HH” chondrites….
Presolar silicon carbide grains from a CO3 meteoriteOPEN ACCESS
Emilie T. Dunham, Michael R. Savina, Ming-Chang Liu, Gregory A. Brennecka, Peter K. Weber, Julie M. Korsmeyer, Andrew M. Davis, Philipp R. Heck, Thomas Stephan, Maximilian Ehrenfels & Autumn G. Roberts The European Physical Journal…
Chiral discrimination of amino acids in meteorite and desert soil extracts via single-molecule nanogap conductanceOPEN ACCESS
Takahito Ohshiro, Yuki Komoto, Takayuki Takaai, Takeshi Yoshida, Takashi Washio, José L. Ramírez-Colón, Hannah L. Mclain, Daniel Duzdevich, Maria T. Zuber, Christopher E. Carr & Masateru Taniguchi Nature Communications, Volume 17, Article number: 10274 LINK…
Prebiotic organic compounds in asteroid Bennu and Ryugu reflect divergent parent body historiesOPEN ACCESS
Angel Mojarro, José C. Aponte, Daniel P. Glavin, Jamie E. Elsila, Jason P. Dworkin, Harold C. Connolly Geochimica et Cosmochimica Acta, In Press, Journal Pre-proof, Available online 4 October 2026 LINK + PDF (OPEN ACCESS)…
What do acoustic signatures reveal about asteroid thermal breakdown processes?
Nicole Latsia, Georgios Tsirvoulis, Erika Kaufmann, Heikki Suhonen, Mikael Granvik, Johan Borg, Axel Hagermann Icarus, Available online 2 October 2026 LINK “Highlights “Regolith blocks on asteroid surfaces evolve through several processes, including thermal fatigue: repeated…
Iron Isotope Fractionation on Vesta Driven by Magma Ocean Process
Jinting Kang, Zhengyu Hou, Haochen Yang, Xue Tang, Weibiao Hsu, Fang Huang JGR Planets, Volume 131, Issue 10, First Published: 1 October 2026 LINK “Key Points “Magma oceans represent a pivotal stage in the early…
A Reassessment of the Lithium Isotope Composition of the Moon Using Mare Basalt, Mg-Suite and Anorthosite Meteorites
Heng-Ci Tian, Wei Yang, Huijuan Zhang, Jingyan Cai, Yangting Lin, Keqing Zong, Qi Liu, Feixiang Liu, Caihong Gao, Maoyong He JGR Planets, Volume 131, Issue 10, First Published: 1 October 2026 LINK “To further constrain…
