PLANETARY EXPLORATION NEWSLETTER Volume 20, Number 28 (July 12, 2026) PEN Website: https://planetarynews.org Editor: Matthew R Perry Co-Editors: Alex Morgan, Mark V. Sykes Email: pen_editor@psi.edu X: @pen2tweets Bluesky: @planetarynews.bsky.social o-------------------------TABLE OF CONTENTS---------------------------o 1. [Editorial] The Need for Lunar Geologists 2. Last Call to Comment on Proposed Rules for Federal Grant-Making 3. [NASA] SMD: Draft Solar System Exploration Research Virtual Institute (SSERVI) Cooperative Agreement Notice (NNH26ZDA013J) Released for Comment 4. Partners in Discovery: Advancing NASA Science with New Models of Commercial and University Collaboration 5. Ice Giant Systems Seminar Series: Richard Anderson and Jacob Englander (APL) 6. Upcoming Workshop on Mars Volatile Systems Interest Form for April 2027 7. Assistant/Associate Professor in Solid Earth Geology, University of Iowa 8. LPI Webinar: Facilitation Strategies for Planetary Scientists 9. Annual GSA Planetary Geology Division Button Contest 10. [GSA 2026] Geological Society of America Connects Annual Meeting: Abstract Submission is Open 11. [GSA 2026] The G. K. Gilbert Award Session Honoring Dr. Ken Edgett: Geological Insights through Imaging of our Solar System Worlds 12. [GSA 2026] Session T188: Geomorphology and Surface Processes Across the Solar System 13. [AGU 2026] Session IN019: Emulation Frameworks for Physics-Based Models: A Cross-Domain Assessment of Methodologies 14. [AGU 2026] Session P021: Planetary Volcanism - Processes and Observations 15. [AGU 2026] Session: P023: Radar Investigations of Planetary Surfaces and Subsurfaces 16. [AGU 2026] Session SA011: Enabling Advances in Space Science through Citizen Science Investigations 17. [AGU 2026] Session U010: Earth and Space Science in the Era of NASA's Artemis - A Lunar Surface Based Observatory Concept 18. Planetary Meeting Calendar Additions 19. Planetary Science Journal - New Papers 20. Journal of Geophysical Research: Planets - New Papers o---------------------------------------------------------------------o 1-1-1-1-1-1-1-1-1-1-1-1-1-1-1-1-1-1-1-1-1-1-1-1-1-1-1-1-1-1-1-1-1-1-1-1 [EDITORIAL] THE NEED FOR LUNAR GEOLOGISTS NASA has launch fever to hire commercial space companies to land on the Moon and develop a booming lunar economy. But there's a huge, glaring problem: the mission planners, technologists, and engineers don't seem to realize how badly they need lunar geologists! Let's talk about the rocks you'll find up there. The lunar highlands are made of a mineral called anorthite, while the lowlands are mostly the volcanic rock basalt-basically the same lava rocks as Hawaii. Want to mine titanium? You need to know the difference between high-titanium and low-titanium basalt. Want heavy metals? Look for pyroclastic deposits around volcanic vents. The Procellarum KREEP terrain is rich in the rare earth elements we need for consumer electronics, plus a radioactive element called thorium that we can use for lunar nuclear reactors. So, commercial mission planners: hire a lunar geologist. We promise we're fun, even if we just want to stare at dusty rocks all day. Because that's where the money is. The full editorial is at Meet the Future: https://mtf.tv/need-for-lunar-geologists Kirby Runyon, PhD, is a research scientist at the Planetary Science Institute. His views are his own. 2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2 LAST CALL TO COMMENT ON PROPOSED RULES FOR FEDERAL GRANT-MAKING The comment period for the White House Office of Management & Budget's proposed "Uniform Guidance" for federal grants closes on Monday, July 13, at 11:59 PM ET. The OMB's proposed rules would add new bureaucratic barriers, partisan political review, and restrictions on publication and public outreach for federally-funded research. More than 100,000 comments, nearly all in opposition, have already been submitted to the proposed rule from scientists across every discipline and members of the general public. The near unanimous opposition saw a major win when Senator Susan Collins, the top Republican on the Senate Appropriations Committee, warned in a July 6 letter that the new rules "would impose new, burdensome requirements on award recipients that would harm small and rural communities, undermine scientific and biomedical research, and conflict with Congress' control over the federal funding process." Add your voice to inform federal regulators, legislators, and the courts about the harmful impacts these proposed rules will have on planetary and space science. Read more about the issue and submit your comment using The Planetary Society's advocacy action center: https://planetary.org/ombgrantrules 3-3-3-3-3-3-3-3-3-3-3-3-3-3-3-3-3-3-3-3-3-3-3-3-3-3-3-3-3-3-3-3-3-3-3-3 [NASA] SMD: DRAFT SOLAR SYSTEM EXPLORATION RESEARCH VIRTUAL INSTITUTE (SSERVI) COOPERATIVE AGREEMENT NOTICE (NNH26ZDA013J) RELEASED FOR COMMENT The National Aeronautics and Space Administration (NASA) Science Mission Directorate (SMD) and Human Spaceflight Mission Directorate (HSMD) have released the draft of the fifth Solar System Exploration Research Virtual Institute (SSERVI) Cooperative Agreement Notice (CAN-5) as NNH26ZDA013J for public comment. SSERVI CAN-5 invites the submission of multi-institutional team-based proposals for research as participating members of the Solar System Exploration Research Virtual Institute (SSERVI). Proposals must clearly articulate an innovative research program addressing basic and/or applied research fundamental to understanding the nature of the Moon and its near space environment to enable future human exploration of the Moon with Artemis. "Mars forward" proposals that use lunar-focused research to develop approaches to Mars exploration also are welcome. A SSERVI Draft CAN 5 Pre-Proposal Conference is scheduled for July 17 at 1:00 PM ET. During this Pre-Proposal Conference, representatives from the co-sponsoring organizations will provide an overview of SSERVI, the scientific and exploration focuses sought in the CAN, as well as answer community questions. This event will NOT be recorded. For more information including pre-proposal conference information, please visit: https://tinyurl.com/4kd89jvt [Edited for length] 4-4-4-4-4-4-4-4-4-4-4-4-4-4-4-4-4-4-4-4-4-4-4-4-4-4-4-4-4-4-4-4-4-4-4-4 PARTNERS IN DISCOVERY: ADVANCING NASA SCIENCE WITH NEW MODELS OF COMMERCIAL AND UNIVERSITY COLLABORATION The Commercial Space Federation, The Planetary Society, and Arizona State University will host the "Partners in Discovery" workshop, reception on August 31 and meeting days on September 1 & 2, 2026 at ASU DC. Registration is filling up and attendance is limited. With the exception of a few programs that comprise a very small portion of NASA's budget, NASA's basic approach to supporting science hasn't changed much in the past 25 years. PI-led missions and flagships have comprised the vast majority of the mission portfolio. With NASA's recent announcements at the Ignite event and growing commercial involvement in lunar exploration, this approach is ripe for evolution. While the opportunity to drive change is great, there are fundamental questions to be addressed to enable the transition into a more aggressive commercial-university partnership mode to advance NASA Science. We seek to start answering those questions at the workshop through panels of invited speakers and time for breakout discussions amongst attendees. More details, including registration, at: https://sites.google.com/asu.edu/partners-in-discovery/ 5-5-5-5-5-5-5-5-5-5-5-5-5-5-5-5-5-5-5-5-5-5-5-5-5-5-5-5-5-5-5-5-5-5-5-5 ICE GIANT SYSTEMS SEMINAR SERIES: RICHARD ANDERSON AND JACOB ENGLANDER (APL) Date/Time: July 14, 11am ET Speaker: Richard Anderson and Jacob Englander (APL) Topic: A High-Heritage, Low Risk Approach to Uranus Orbiter and Probe Abstract: Following the decadal survey, it became clear that NASA's funding profile did not support the recommended 2031 or 2032 launch for Uranus Orbiter and Probe (UOP), nor does it support a spacecraft with three next generation radioisotope thermal generators (RTGs). Starting in 2023, a team of scientists and engineers at the Johns Hopkins Applied Physics Laboratory and NASA's Goddard Space Flight Center worked together to further develop UOP such that it could launch in any year and operate under a more restrictive energy budget. This study included a detailed design of the orbiter and probe, as well as a solar-electric propulsion (SEP) transfer stage to take the place of the Jupiter gravity assist that is no longer available in the years that UOP may launch. To access the virtual seminar, view the seminar schedule, and sign up for the listserv, visit the series website: https://icegiantsseminar.jhuapl.edu [Edited for length] 6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6 UPCOMING WORKSHOP ON MARS VOLATILE SYSTEMS INTEREST FORM FOR APRIL 2027 Please fill out this form if you would like to indicate your interest in participating in the upcoming Workshop on Mars Volatile Systems. The workshop will address the Mars volatile system as a complex system of interconnected components that go from the deep interior to the upper atmosphere and loss to space. A prompt answer would be appreciated and would help us organize the meeting more efficiently and in a way that best meets the community's needs. This form is NOT a commitment to attend. The application to this workshop will be sent out at a later date. A link to the form can be found here: https://forms.gle/gahXTjXcY3HpiSv18. Please feel free to distribute. If you need to revise your submission, please submit again. 7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7 ASSISTANT/ASSOCIATE PROFESSOR IN SOLID EARTH GEOLOGY, UNIVERSITY OF IOWA The School of Earth, Environment, and Sustainability (SEES) at the University of Iowa invites applications for a tenure-track appointment at the rank of assistant or associate professor in Solid Earth Geology. SEES seeks an outstanding researcher in solid Earth geology, focused on structural geology and tectonics, and preferably with a field-based emphasis. Required teaching duties will include structural geology, field courses/camp, and other courses within the applicant's area of expertise. Applications are strongly encouraged from candidates with interests in "hard-rock" Earth and planetary processes, petrology, geo(thermo) chronology, geochemistry, critical minerals, and the interplay between solid earth dynamics and conditions in the surficial environment. To apply, please visit: https://jobs.uiowa.edu/faculty/view/75964 Deadline: September 15, 2026 Screening of applications will begin in early September, but the application window will remain open until the position is satisfactorily filled. Direct questions regarding this position to Dr. David W Peate, david-peate@uiowa.edu. 8-8-8-8-8-8-8-8-8-8-8-8-8-8-8-8-8-8-8-8-8-8-8-8-8-8-8-8-8-8-8-8-8-8-8-8 LPI WEBINAR: FACILITATION STRATEGIES FOR PLANETARY SCIENTISTS July 28, 2026 3:30 pm EDT/ 2:30 pm CDT / 1:30 pm MDT / 12:30 pm PDT Planetary science and astrobiology are often team efforts. Learn how facilitation strategies can help make meetings and team and mission planning more productive and support your own goals and leadership skills. For more information, visit: https://tinyurl.com/tuwsn2ex 9-9-9-9-9-9-9-9-9-9-9-9-9-9-9-9-9-9-9-9-9-9-9-9-9-9-9-9-9-9-9-9-9-9-9-9 ANNUAL GSA PLANETARY GEOLOGY DIVISION BUTTON CONTEST Your design could be featured at GSA and LPSC! (1) Artwork must be designed within a 6 cm diameter circle (2) "PGD" and "2026" should be a central feature in the artwork (3) A version without "2026" should also be submitted (4) Any software may be used, so long as the submitted image is clear (5) Group submissions are permitted Additional details: All submissions and questions must be sent to mdeahn@purdue.edu (Margaret Deahn) and sclouti@purdue.edu (Sydney Cloutier). Submissions must include brief biographical information about the artist, a (500 character limit) description of the artwork, a PDF and PNG (min 600 dpi) of the artwork, and an AI disclaimer. All PGD members may vote on the semi-finalists' buttons (as determined by PGD officers) through August 14, 2026. Winners will be announced August 23. The winning artist will need to submit original resolution files in a standard image format for button printing, t-shirt designs, and other potential uses. Past button designs: https://community.geosociety.org/pgd/aboutus/pgd-buttons 10-10-10-10-10-10-10-10-10-10-10-10-10-10-10-10-10-10-10-10-10-10-10-10 [GSA 2026] GEOLOGICAL SOCIETY OF AMERICA CONNECTS ANNUAL MEETING: ABSTRACT SUBMISSION IS OPEN Abstract submission is open for the Geological Society of America Connects Annual Meeting, October 11-14 in Denver! https://connects.geosociety.org/ Planetary related sessions include: - Big Science from Small Worlds - Boxwork and Fracture Halos: Changes in mineralogy and erosion resistance around fracture features on Earth, Mars, and across the Solar System - Friends of Hoth, Rogue Moons: Icy Ocean Worlds - The G.K. Gilbert Award Session - Geomorphology and Landscape Evolution of Mars - Geomorphology and Surface Processes Across the Solar System - Hydrothermal Processes Across the Solar System - Impact Cratering: From the Earth into the Solar System - Mineralogy in the Solar System - Myths and Misrepresentations surrounding Cosmic Impact claims in Paleoclimatology, Paleontology, Paleoecology, Geoarchaeology, and Quaternary Research - Planetary Exploration and Education: How We Learn About Our Solar System and Beyond - Planetary sample science: Unlocking the history of lunar, Martian, and asteroidal materials - Shake and Bake: Volcanism and Tectonism across the Solar System - The Astro-Geoheritage of the Solar System: Past Explorations and Future Considerations - Venus and Earth: Separated at Birth Abstract deadline: August 6 11-11-11-11-11-11-11-11-11-11-11-11-11-11-11-11-11-11-11-11-11-11-11-11 [GSA 2026] THE G. K. GILBERT AWARD SESSION HONORING DR. KEN EDGETT: GEOLOGICAL INSIGHTS THROUGH IMAGING OF OUR SOLAR SYSTEM WORLDS Please consider submitting an abstract to this session honoring the 2026 winner of the Planetary Geology Division's G.K. Gilbert Award, Ken Edgett. Topics related to imaging of any Solar System body are appropriate. Invited speakers: Marie Henderson (University Maryland/Baltimore & NASA GSFC) and Madison Turner (University of Chicago) Conveners: Jennifer Piatek, Lauren Jozwiak, Alexander Morgan, Terik Daly, Claire Mondro October 11-14 in Denver, Colorado. Abstracts are due August 6 and can be submitted here: https://gsameetings.secure-platform.com/connects26 12-12-12-12-12-12-12-12-12-12-12-12-12-12-12-12-12-12-12-12-12-12-12-12 [GSA 2026] SESSION T188: GEOMORPHOLOGY AND SURFACE PROCESSES ACROSS THE SOLAR SYSTEM If you plan on attending the 2026 Geological Society of America Connects Meeting in Denver, Colorado (October 11-14, 2025), we encourage you to consider submitting an abstract to session T188: Geomorphology and Surface Processes Across the Solar System. This session welcomes abstracts on any aspect of planetary geomorphology and surface processes, including but not restricted to: Earth analogues, laboratory experiments, numerical models, planetary comparison, mapping, in situ data, or remote sensing studies. The session brings together researchers studying Earth and other planetary bodies to compare how geomorphic processes operate across different environmental conditions. By fostering dialogue between terrestrial and planetary scientists, it promotes cross-system insight into the fundamental mechanisms that shape landscapes throughout the Solar System. We are also excited to have two excellent invited speakers: An Li (University of Washington) and Harrison Martin (Caltech). The abstract portal is open and can be accessed here: https://gsameetings.secure-platform.com/connects26 The deadline for submitting abstracts is August 6, 2025. Thanks, and we hope to see you in Denver! Session Conveners: Alex Morgan (PSI), Marisa Palucis (Dartmouth), Abdallah Zaki (UT Austin) 13-13-13-13-13-13-13-13-13-13-13-13-13-13-13-13-13-13-13-13-13-13-13-13 [AGU 2026] SESSION IN019: EMULATION FRAMEWORKS FOR PHYSICS-BASED MODELS: A CROSS-DOMAIN ASSESSMENT OF METHODOLOGIES We invite you to submit an abstract to a new AGU 2026 session that fosters a cross-domain conversation about emulator frameworks. Abstract submission is open and the deadline to submit is August 5, 2026: https://agu.confex.com/agu/agu26/prelim.cgi/Session/282994 Emulating physics-based models is vital for maximizing the science return of next-generation instruments and enabling near-real-time digital twins, rapid discovery, and rigorous uncertainty quantification. This session seeks to showcase an assemblage of specific emulator or surrogate frameworks - whether using reduced-order physics, statistical methods, or machine learning - that are well suited for different modeling challenges such as overcoming computational bottlenecks or improving model understanding and uncertainties. We invite contributions that discuss motivations for emulator and surrogate technology and present architectures tested for specific scientific applications. We encourage sharing lessons learned, particularly regarding interactions across varying spatial, temporal, and spectral scales, adherence to physical laws, and domain-specific validation strategies. By bringing together these techniques, this session aims to map the landscape of advanced computational methods, evaluate transferability between domains, and advance our collective technical literacy of this emergent technology space. Convenors: Umaa Rebbapragada, Mark Carroll, Lukas Mandrake, Sachin Alexander Reddy 14-14-14-14-14-14-14-14-14-14-14-14-14-14-14-14-14-14-14-14-14-14-14-14 [AGU 2026] SESSION P021: PLANETARY VOLCANISM - PROCESSES AND OBSERVATIONS Abstracts due: Wednesday, 5 August 2026, 23:59 PM EDT (03:59 UTC) Session Link: https://agu.confex.com/agu/agu26/prelim.cgi/Session/282972 We invite submissions to the following session focused on planetary volcanism. Silicate volcanism has fundamentally shaped the surfaces and interiors of terrestrial bodies, including Mars, the Moon, Venus, and Io. From extensive ancient volcanic eruptions to geologically recent activity, volcanic processes play a key role in interior thermal evolution, crustal production, atmospheric replenishment, and regulation of habitable environments. Recent observations of diverse eruption styles on Mars, potentially ongoing activity on Venus, and anomalously young volcanism on the Moon, have challenged established timelines of volcanic and thermal evolution. Many questions still remain regarding the mechanisms of volcanic processes across different planetary environments, eruption styles, and atmospheric interactions, making a review and discussion of these processes across multiple planetary bodies timely. This session invites contributions that advance our understanding of planetary volcanism, including through numerical modeling, remote sensing analyses, in situ observations, and terrestrial analog studies. Contributions focusing on individual bodies and/or cross-body comparisons are welcome. Convenors: Eleni Ravanis, Sarah Fagents, Indujaa Ganesh 15-15-15-15-15-15-15-15-15-15-15-15-15-15-15-15-15-15-15-15-15-15-15-15 [AGU 2026] SESSION: P023: RADAR INVESTIGATIONS OF PLANETARY SURFACES AND SUBSURFACES Call for abstracts: We welcome and encourage you to submit abstracts to the AGU26 Fall Meeting Session: P023 - Radar Investigations of Planetary Surfaces and Subsurfaces. Session Link: https://agu.confex.com/agu/agu26/prelim.cgi/Session/279957 Description: Proposed and existing radar instruments are enabling an unprecedented range of radio geophysical observations of the surfaces and subsurfaces of Solar System bodies. This has spurred the development and application of new instrumentation, processing, modeling, analysis, and interpretation approaches to planetary radar science and engineering. We invite abstracts on any topic involving the use of radar data to understand planetary bodies. These may describe (but are not limited to) new results from existing radar observations, the development and application of new observation or data processing techniques, numerical modeling of existing or future observations, and/or the analysis of airborne or orbital radar data from terrestrial analog studies for Solar System observation. Abstract Submission Deadline: 5 August 2026 (23:59 EDT / 03:59 UTC) We look forward to receiving your abstracts and creating an engaging session for the community! Conveners: Sean Thomas Peters, Indujaa Ganesh, Kristian Chan, Wes Patterson 16-16-16-16-16-16-16-16-16-16-16-16-16-16-16-16-16-16-16-16-16-16-16-16 [AGU 2026] SESSION SA011: ENABLING ADVANCES IN SPACE SCIENCE THROUGH CITIZEN SCIENCE INVESTIGATIONS Please join us at the 2026 AGU Annual Meeting by submitting an abstract to our session, SA011: Enabling Advances in Space Science through Citizen Science Investigations: https://agu.confex.com/agu/agu26/prelim.cgi/Session/281425 With the push for expanding citizen science-based projects and recent science results, such as those related to the Heliophysics Big Year (HBY), citizen science is becoming an enabling mechanism for scientific investigations. These investigations also incorporate an increasingly diverse array of datasets and methodology, including crowd-sourced spatially distributed datasets, different kinds of visual classifications of auroral, solar, and lunar terrain images, feature identification in particle spectra, and auditory classifications of wave power spectral densities. This session focuses on the scientific motivation and outcomes of citizen science projects in the space sciences, highlighting studies that have been actively developing and using citizen science-derived datasets across heliophysics and planetary science. Along with results from citizen science investigations, presentations describing challenges and lessons learned (i.e., working with different platforms, interfacing with volunteers, tailoring tasks for accessibility while still retaining scientific usability, etc.) are welcome. Hope to see you there! Conveners: Sarah Vines, Bea Gallardo-Lacourt, Vicki Toy-Edens, Wenli Mo, Kristina Collins 17-17-17-17-17-17-17-17-17-17-17-17-17-17-17-17-17-17-17-17-17-17-17-17 [AGU 2026] SESSION U010: EARTH AND SPACE SCIENCE IN THE ERA OF NASA'S ARTEMIS - A LUNAR SURFACE BASED OBSERVATORY CONCEPT Please consider submitting an abstract to U010: https://agu.confex.com/agu/agu26/prelim.cgi/Session/280185 The concept of an Earth-viewing lunar observatory was first proposed at the 2007 NASA Lunar Workshop and noted certain advantages including a stable platform, serviceable instrumentation, and unique views of the Earth. With the recent success of NASA's Artemis II Mission and the planned increase of future missions leading to a lunar base by late 2028, an opportunity will exist for an outward looking 'lunar eye' science observatory on the surface. With the potential of permanent power stations and the involvement of the commercial sector, this observatory concept could host not only Earth, but Planetary, Heliophysics, and Astrophysics instruments that enable new multi-decadal observations and answer novel science questions of the Earth, the Sun, and the cosmos. This session is designed to bring together those interested in the potential science, instruments, and observatory infrastructure concepts for conducting future Earth and Space science not of the moon, but from the moon. Thank you! Michael Ramsey (University of Pittsburgh) Sid Boukabara (NASA HQ) [Edited for length] 18-18-18-18-18-18-18-18-18-18-18-18-18-18-18-18-18-18-18-18-18-18-18-18 PLANETARY MEETING CALENDAR ADDITIONS Note: Many face-to-face meetings going forward will have online components. Check their websites for details. Posted at https://planetarynews.org/meetings.html No new meetings posted. 19-19-19-19-19-19-19-19-19-19-19-19-19-19-19-19-19-19-19-19-19-19-19-19 PLANETARY SCIENCE JOURNAL - NEW PAPERS Direct Links to Open Access Papers Editor, Brian Jackson https://psj.aas.org A Comparison of Lunar AI-based Crater Databases Using Uniform Criteria Stuart J. Robbins and Rachael H. Hoover 2026 PSJ 7:164 https://doi.org/10.3847/PSJ/ae6b82 Surprisingly Enriched CO and CH4 in Halley-type Comet 13P/Olbers: Clues to Its Interstellar Heritage Michael A. DiSanti et al. 2026 PSJ 7:165 https://doi.org/10.3847/PSJ/ae66fb New Constraints on the Spatial and Temporal Evolution of the Lunar Surface Regolith Andrea Rajsic et al. 2026 PSJ 7:166 https://doi.org/10.3847/PSJ/ae7a6f MLA and BELA Altimetry Synergies for Mercury Geodesy and Interior Studies William Desprats et al. 2026 PSJ 7:167 https://doi.org/10.3847/PSJ/ae71c3 Dynamical Implications of the Recently Detected Feature around Quaoar and Constraints on the Presence of Additional Satellites Gustavo Madeira et al. 2026 PSJ 7:168 https://doi.org/10.3847/PSJ/ae81a8 Planet-wide, Concentric Density Waves in Venus's Upper Atmosphere Revealed through Polarimetry? Gourav Mahapatra et al. 2026 PSJ 7:169 https://doi.org/10.3847/PSJ/ae7e6f 20-20-20-20-20-20-20-20-20-20-20-20-20-20-20-20-20-20-20-20-20-20-20-20 JOURNAL OF GEOPHYSICAL RESEARCH: PLANETS - NEW PAPERS Direct Links to Open Access (OA) Papers Editors-in-Chief, Amanda Hendrix & Debra Buczkowski https://agupubs.onlinelibrary.wiley.com/journal/21699100 Cosmic Dust Flux During the Quaternary: The Record of Large Scoriaceous and Unmelted Micrometeorites From the Transantarctic Mountains Collection S. Ottaviani et al. https://doi.org/10.1029/2026JE009650 Modeling the Water-Ice Bounding Layers in the Massive CO2Ice Deposits, South Pole of Mars Kasra B. Fard, Isaac B. Smith, Nicole-Jeanne Schlegel https://doi.org/10.1029/2026JE009787 The Influence of Topography and Crustal Magnetic Anomalies on the Distribution of Water Ice in the Lunar South Pole Region Jan Deca, Lon Hood, Shuai Li https://doi.org/10.1029/2026JE009774 Evolution of a Point Plume in a Rotating Unstratified Fluid Overlain by a Stratified Layer: Scaling and Implications for Icy Satellites Shuang Wang et al. https://doi.org/10.1029/2026JE009649 Interactions of Sublimated Frost With Volcanic Plumes: Modeling Io's SO2 Atmosphere Using the DSMC Method Leander Schlarmann et al. https://doi.org/10.1029/2025JE009613 *********************************************************************** * The Planetary Exploration Newsletter is issued approximately weekly. * Current and back issues are available at https://planetarynews.org * * To subscribe, go to https://planetarynews.org and click on Subscribe. * * An unsubscribe option is available at the end of every PEN email. Or * send an email to pen_editor@psi.edu * * Please send all replies and submissions to pen_editor@psi.edu. * Announcements and other messages should be brief with links to URLs * for extended information, including detailed descriptions for job * announcements. Title plus text is limited to 200 words. Go to * https://planetarynews.org/submission.html for complete submission * directions. * * PEN is a service provided by the Planetary Science Institute * (https://www.psi.edu) using no NASA funds. All editorial work is * volunteer. ***********************************************************************