^1,2Anna Barbaro, ^1,3Fabrizio Nestola, ^4,5Péter Németh, ²Sheryl A. Singerling, ^1,6Yanjuan Wang, ²Frank E. Brenker
Carbon (in Press)
Open Access Link to Article [DOI: 10.1016/j.carbon.2026.122098]
¹Department of Geosciences, University of Padova, Padova, 35131, Italy
²Schwiete Cosmochemistry Laboratory, Department of Geoscience, Goethe University, Frankfurt, 60438, Germany
³Centro di Ateneo per i Musei, University of Padova, Padova, 35121, Italy
⁴Institute for Geological and Geochemical Research, HUN-REN Research Centre for Astronomy and Earth Sciences, MTA Centre of Excellence, Budapest, 1112, Hungary
⁵Research Institute of Biomolecular and Chemical Engineering, University of Pannonia, Veszprém, 8200, Hungary
⁶State Key Laboratory of Deep Earth and Mineral Exploration, Chinese Academy of Geological Sciences, Beijing, 100037, China

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^1,2Tian-Yu Liu, ^2,3Si-Jia Wei, ⁴Ke-Li Shi, ⁵Tian-Qi Qiu, ⁶Jun-Zhe Teng, ¹Zheng-Jie Qiu
Scientific Reports (in Press)
Open Access Link to Article [DOI: 10.1038/s41598-026-35624-0]
¹State Key Laboratory of Lithospheric and Environmental Coevolution, Institute of Geology and Geophysics, Chinese Academy of Sciences, Beijing, 100029, China
²College of Earth and Planetary Sciences, University of Chinese Academy of Sciences, Beijing, 100049, China
³Key Laboratory of Earth and Planetary Physics, Institute of Geology and Geophysics, Chinese Academy of Sciences, Beijing, 100029, China
⁴Aerospace Information Research Institute, Chinese Academy of Sciences, Beijing, 100094, China
⁵Maynooth International Engineering College, Fuzhou University, Fuzhou, 350116, China
⁶School of Ecology and Environment, Tibet University, Lhasa, 850000, China

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¹Xinyang Tao, ¹Feng Li, ¹Siqi Zhou, ¹Yutong Deng, ¹Shuling Zhang
Acta Astronautica (in Press)
Link to Article [DOI: 10.1016/j.actaastro.2026.10.046]
¹School of Transportation Science and Engineering, Beihang University, Beijing, 100191, China

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¹Ingo Leya
Earth, Planets and Space, 78, 27
Open Access Link to Article [DOI: 10.1186/s40623-025-02358-8]
¹Space Science and Planetology, University of Bern, 3012 Bern, Switzerland

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^1,2S. E. Anderson, ²P. Vernazza, ³M. Brož
Astronomy & Astrophysics, 709, A8
Open Access Link to Article [DOI: 10.1051/0004-6361/202557394]
¹CNRS, Observatoire de la Côte d’Azur, Laboratoire J.-L. Lagrange, Université Côte d’Azur, CS 34229, 06304 Nice, France
²Aix-Marseille University, CNRS, CNES, LAM, Institut Origines, 38 rue Frederic Joliot Curie, 13388 Marseille, France
³Charles University, Faculty of Mathematics and Physics, Institute of Astronomy, 18200 V Holešovičkách 2, Czech Republic

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¹I. Pal et al. (>10)
Astronomy & Astrophysics, 708, A42
Open Access Link to Article [DOI: 10.1051/0004-6361/202556719]
¹Department of Physics, University of Louisiana at Lafayette, Lafayette, LA 70503, USA

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^1,2Jingdong Zhang, ¹Yuzheng Zhang, ¹Jian Chen, ^3,2Luyuan Xu, ^1,2Le Qiao
Icarus, (in Press), 117372 Link to Article [DOI: 10.1016/j.icarus.2026.117372]

¹Shandong Key Laboratory of Space Environment and Exploration Technology, School of Space Science and Technology, Institute of Space Sciences, Shandong University, Weihai, Shandong, 264209, China
²State Key Laboratory of Lunar and Planetary Sciences, Macau University of Science and Technology, Macau, China
³International Institute for Interdisciplinary and Frontiers, Beihang University, Beijing 100191, China
Copyright Elsevier

Investigations of the ages and compositions of lunar volcanic deposits
provide insights into the geologic and thermal evolution of the Moon. Among the 22
recognized lunar maria, the majority have been chronologically studied, and Maria
Undarum and Spumans remain the two major maria that lack reliable age constraints.
In this work, 66 undated mare basalt units were delineated in the two maria and adjacent
regions. Our analysis reveals that the absolute model ages (AMAs) of these 66 basalt
units range from 2.9 to 3.8 Ga. Additionally, noticeable heterogeneity in surface
composition is observed among these mare units. Combining characteristics of regional
volcanic flux and mare composition, we suggest a gradual decline in volcanic activity
after the main phase of volcanism, with older units (3.8–3.5 Ga) generally exhibiting
greater exposed basalt volumes than younger units (3.4–2.9 Ga). The AMAs of these
maria show weak negative correlations with their surface FeO and TiO2 abundances,
although neither relationship is statistically significant. Younger basalts are dominated
by relatively lower titanium contents and have a narrower variety in iron contents than
older basalts. Furthermore, we constrain the lower limit of the basalt thickness in this
region, ranging from ~41 m to 207 m. Systematic investigation of the age, composition,
basalt thickness, and volumetric flux of the Maria Undarum and Spumans region
demonstrates that small-scale volcanic eruptions outside major impact basins are
generally very ancient (>3.5 Ga), and are characterized by short durations, irregular
mare outlines, small eruptive volumes, and emplacement in depressions in highland
terrains.

¹M. Jakubowska, ²A. Grabias, ³M. Woźniak, ¹J. Gałązka-Friedman, ⁴K. Szopa
Interactions (in Press) Link to Article [DOI: 10.1007/s10751-026-02385-1]
¹Faculty of Physics, Warsaw University of Technology, Koszykowa 75, Warsaw, 00-662, Poland
²Łukasiewicz Research Network – Institute of Microelectronics and Photonics, Warsaw, Poland
³Faculty of Biology, University of Warsaw, Miecznikowa 1, Warszawa, 02-096, Poland
⁴Faculty of Natural Sciences, University of Silesia, Będzińska 60, Sosnowiec, 41-200, Poland

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¹Hanna Pentikäinen, ¹Eric M. MacLennan, ¹Antti Penttilä, ¹Karri Muinonen, ²Dagmara A. Oszkiewicz, ³Alberto Cellino, ⁴Paolo Tanga, ⁵Xiaobin Wang, ⁶Lauri Siltala
Astronomy & Astrophysics, 707, A132
Open Access Link to Article [DOI: 10.1051/0004-6361/202556127]
¹Department of Physics, PO Box 64, 00014 University of Helsinki, Finland
²Astronomical Observatory Institute, Faculty of Physics, A. Mickiewicz University, Słoneczna 36, 60-286 Poznań, Poland
³INAF – Osservatorio Astrofisico di Torino, 10025 Pino Torinese, Italy
⁴Université Côte d’Azur, Observatoire de la Côte d’Azur, CNRS, Laboratoire Lagrange, France
⁵Yunnan Observatories, Chinese Academy of Sciences, Kunming, China
⁶Karman+, 11365 Main St, Broomfield, CO 80020, USA

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¹P. Matlovič et al. (>10)
Astronomy & Astrophysics, 706, A247
Open Access Link to Article [DOI: 10.1051/0004-6361/202558248]
¹Faculty of Mathematics, Physics and Informatics, Comenius University Bratislava, Mlynská dolina, 84248 Bratislava, Slovakia

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