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Volume 20, Number 15
April 12, 2026
Editor: Mark V. Sykes Co-Editors: Matthew R Perry, Alex Morgan Email: pen_editor@psi.edu X: @pen2tweets Bluesky: @planetarynews.bsky.social o-------------------------TABLE OF CONTENTS---------------------------o 1. Soffen Travel Grant Announcement 2. [NASA] PDS: Mars 2020 Mission Release 15 3. Postdoctoral Position - Planetary Science 4. Postdoctoral Associate in Planetary Surface Processes, MIT 5. Community Survey: Field-based Studies & Sample Processing Facility 6. Planetary Meeting Calendar Additions 7. Planetary Science Journal - New Papers 8. 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 SOFFEN TRAVEL GRANT ANNOUNCEMENT The Gerald A. Soffen Memorial Fund is pleased to announce the Spring 2026 Travel Grant application opportunity for undergraduate and graduate students pursuing studies in fields of space science and engineering. The Travel Grants enable student recipients to attend professional conferences to present their research. Recipients may use the Grant for either virtual or in-person conferences. The Soffen Fund will award up to $1000 in total, with no individual award greater than $500, to cover expenses related to presenting research at either a virtual or in-person conference. The number of awards will depend on applicants' needs. The Spring 2026 Travel Grant application deadline is April 17, 2026. Jerry Soffen, a biologist by training, led a distinguished career in NASA, including serving as the Project Scientist for Viking and as an architect for the NASA Astrobiology Institute. The Travel Grant continues Jerry's dedication to educating and involving future generations in space science and engineering pursuits. The electronic application materials and instructions are located on the Soffen Fund website: https://soffenfund.org Questions regarding the application or application process may be sent to: ec@nasa-academy.org 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 [NASA] PDS: MARS 2020 MISSION RELEASE 15 The NASA Planetary Data System announces Release of data from the Mars 2020 Perseverance Rover mission to Mars. This release contains raw, calibrated, and derived data products covering sols 1620-1739 of the mission, September 9, 2025, through January 9, 2026, and revisions to previously released data. The data are archived at various PDS Nodes. Links to all the archives can be found at https://pds-geosciences.wustl.edu/missions/mars2020/index.htm Data from the following science investigations are included in this release: - Mastcam-Z: Mast-mounted Zoom Camera System - Engineering Hazard and Navigation Cameras - EDLCam: Entry, Descent, and Landing System Cameras - MEDA: Mars Environmental Dynamics Analyzer - PIXL: Planetary Instrument for X-ray Lithochemistry - RIMFAX: Radar Imager for Mars Subsurface Exploration - SHERLOC: Scanning Habitable Environments with Raman and Luminescence for Organics and Chemicals - Superam: LIBS, Raman, Time-Resolved Fluorescence, VIS/IR spectrometers, Remote Micro-Imager and microphone - SPICE: Observation geometry and ancillary data To access the latest PDS Data Releases, please visit the following link: https://pds.nasa.gov/datasearch/subscription-service/SS-Release.shtml All available PDS data may be found at: https://pds.nasa.gov/datasearch/data-search/ For further information, see the PDS Home Page: https://pds.nasa.gov/ 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 POSTDOCTORAL POSITION - PLANETARY SCIENCE The Department of Earth and Planetary Sciences at the University of Texas at San Antonio invites applications for a Postdoctoral Fellow position in the Early Earth Laboratory (EEL). Research areas include cosmochemistry, early Earth geochemistry, and planetary systems modeling. The lab integrates quantitative modeling, geochemical analysis, and experimental approaches to investigate the evolution of planetary bodies and planetary systems. Review of applications will begin April 30, 2026. Full posting and application instructions: https://bit.ly/4ctEvTH 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 POSTDOCTORAL ASSOCIATE IN PLANETARY SURFACE PROCESSES, MIT The Gaia Lab at MIT invites applications for a Postdoctoral Associate in Earth and Planetary Surface Processes (Cambridge, Massachusetts). Our research focuses on hydrological systems and landscape evolution on Mars, Earth, and beyond, and we encourage applicants with experience in remote sensing, data analysis (including AI/ML), numerical modeling, and/or fieldwork. Applicants are welcome to propose research directions aligned with their own interests. For further details and to apply, visit: https://mit-gaia-lab-postdoc-ad2026.tiiny.site For further information on current research, see also: https://thegaialab.com Deadline for full consideration is May 1, 2026. 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 COMMUNITY SURVEY: FIELD-BASED STUDIES & SAMPLE PROCESSING FACILITY Scientists at Northern Arizona University are conducting a research study gathering views from members of the planetary science community on field-based studies and the interest in a potential centralized facility for sample processing and analysis. The Field Sample Processing and Analysis (Field-SPA) facility is a concept for a centralized facility to provide baseline sample characterization capabilities. The services offered by Field-SPA are meant to be complementary to more specialized capabilities available via NASA's Planetary Science Enabling Facilities (e.g., PRECISE, RELAB, K-ALPHAA). We are interested in learning about individual experiences, and the barriers members of the community may face when engaging in or planning fieldwork. We are also attempting to determine whether a centralized facility offering sample processing and consultation services would change the way you approach and propose field-based investigations. All responses are anonymous and we expect this survey to take <10 minutes to complete. You can access the survey using the following link: https://qualtrics.nau.edu/jfe/form/SV_7NXhYtVVHy6oX8q If you have questions about this project or if you have a research-related problem, you may contact Jean-Francois Smekens at Jean-Francois.Smekens@nau.edu. Thank you for considering participation. 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 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 November 9-13, 2026 Illuminating the Cosmos: Chemical Elements in Stars, Planets, Nebulae, and Transient Extra-galactic Events https://indico.nbi.ku.dk/e/RTII Heidelberg, Germany November 30-December 4, 2026 Habitable Worlds Observatory 2026 https://hwo2026.sciencesconf.org Paris, France 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 PLANETARY SCIENCE JOURNAL - NEW PAPERS Direct Links to Open Access Papers Editor, Brian Jackson https://psj.aas.org Replenishment of Methane in Titan's Atmosphere by Intrusion-driven Thermal Destabilization of Methane Clathrate Hydrates Ashley Gerard Davies et al. 2026 PSJ 7:75 https://doi.org/10.3847/PSJ/ae47df Measuring the Distances to Asteroids from One Observatory in One Night with Upcoming All-sky Telescopes Maryann Benny Fernandes et al. 2026 PSJ 7:76 https://doi.org/10.3847/PSJ/ae2fe0 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 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 https://doi.org/10.1029/2025JE009447 Polarization Measurements and Source Locations of Saturn Electrostatic Discharges During the Voyager Era Masafumi Imai et al. https://doi.org/10.1029/2025JE009079 Investigating the Detectability of Body Wave Phases From Tidal Ice Cracking Events on Titan With the Dragonfly Short-Period Seismometer L. Delaroque et al. https://doi.org/10.1029/2025JE009432 Long-Term Variations of Jupiter's Stratospheric Planetary Waves Modulated by the Quasi-Quadrennial Oscillation Jialin Zhang et al. https://doi.org/10.1029/2025JE009472 Rocket Exhaust Derived Surface Water Migration at Lunar Landing Sites Mingyu Tian et al. https://doi.org/10.1029/2025JE009582 Thank You to Our 2025 Reviewers and Volunteers Amanda R. Hendrix, Debra Buczkowski et al. https://doi.org/10.1029/2026JE009815 *********************************************************************** * 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. 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