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. Join the Save NASA Science Day of Action in Washington, D.C. on
   October 5-6, 2025
2. LPSC 2026: Save the Date
3. ESA Postdoctoral Research Fellowships in Space Science
4. New Horizons Science Spotlight Webinar
5. MarsSI User Meeting at EPSC-DPS 2025
6. EPSC-DPS Women in Planetary Science Discussion Hour - Thursday,
   September 10, 2025
7. Announcing the Launch of SolarSystem.video
8. [NASA] PDS: Mars Reconnaissance Orbiter Data Release 74
9. [NASA] PDS: KPLO ShadowCam
10. [NASA] PDS: Psyche GRS and NS Release 2
11. [NASA] PDS: Aperiodic PDS Data Releases in 2025.08
12. Planetary Meeting Calendar Additions
13. Planetary Science Journal - New Papers
14. Journal of Geophysical Research: Planets - New Papers

o---------------------------------------------------------------------o

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JOIN THE SAVE NASA SCIENCE DAY OF ACTION IN WASHINGTON, D.C. ON OCTOBER
5-6, 2025

A historic coalition of 16 space organizations - representing
professional societies, workforce associations, and advocacy groups -
are leading a Day of Action to Save NASA Science to push back against
the draconian cuts proposed to NASA science in the FY 2026 White House
budget request for NASA.

The primary goals of the event are to:

- Preserve funding for NASA's Science Mission Directorate and the
  National Science Foundation
- Ensure that active science missions are not prematurely cancelled
- Advocate for sustained investments in space science research,
  education, and outreach

Research has shown that in-person constituent meetings are the most
effective way to engage elected officials on topics like space
exploration. No past advocacy experience required to participate. All
with a U.S. address are welcome.

Find more information and register at:

https://www.planetary.org/advocacy/day-of-action

Questions? Send a message to advocacy@planetary.org


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LPSC 2026: SAVE THE DATE

The 57th Lunar and Planetary Science Conference (LPSC) will be held at
The Woodlands Waterway Marriott Hotel and Convention Center in The
Woodlands, Texas, and virtually on March 16-20, 2026. LPSC is a
defining event in planetary research, bringing together a diverse group
of international experts in a truly collaborative environment. For 57
years, LPSC has been convening the lunar and planetary science
community to showcase the latest science, research, and discoveries in
the field. To learn more, visit:

https://www.hou.usra.edu/meetings/lpsc2026/.

Indication of Interest

Submit an indication of interest to receive additional information
about the conference at:

https://www.hou.usra.edu/meeting_portal/iofi/?mtg=lpsc2026

LPSC Reflections

Discover more about LPSC's history and importance to planetary research
at:

https://www.hou.usra.edu/meetings/lpsc2026/#LPSC-reflections


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ESA POSTDOCTORAL RESEARCH FELLOWSHIPS IN SPACE SCIENCE

We are pleased to announce the 2025 Call for Applications for the
European Space Agency's Research Fellowships in Space Science. We
expect to hire 5 to 6 postdoctoral fellows who will start their
fellowship in Fall 2026.

The deadline for applications is 22 September 2025.

ESA's postdoctoral Research Fellowship programme offers early-career
researchers the possibility to carry out independent research in a
variety of disciplines. Research Fellowships in Space Science offer the
opportunity to contribute to ESA's endeavour to explore our Solar
System and the Universe in the fields of heliophysics, planetary
science, astrophysics, and fundamental physics.

ESA Research Fellow contracts have a maximum duration of three years.
Projects initially last two years and are frequently extended to a
third year upon submission of a dedicated proposal.

Research Fellowships in Space Science can be located at any of the
following institutes:
- European Space Astronomy Centre (ESAC) in Villafranca del Castillo
  near Madrid, Spain
- European Space Research and Technology Centre (ESTEC) in Noordwijk,
  the Netherlands
- ESA Office at Space Telescope Science Institute (STScI) in Baltimore,
  Maryland, USA

For more information, please visit:

https://www.cosmos.esa.int/fellowship


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NEW HORIZONS SCIENCE SPOTLIGHT WEBINAR

Join us on 25 September 2025, 2:30-3pm EDT

New Horizons continues its operation, now at 61au from the Sun. Since
2015 it has made ground-breaking discoveries of the Pluto-Charon
system, flown past the small contact KBO binary Arrokoth and collected
phase and light curve data for some three-dozen additional KBOs and the
ice giants. It has also been sampling dust density throughout the
Solar System and studying the cosmic optical background. To raise
awareness of New Horizon's scientific impact we are beginning a new
spotlight seminar series (30 min, fourth week each month) which we
invite you to attend online, or watch recorded at your convenience.

Our speaker will be Erick Powell of Boston University and he will be
speaking on:

"Termination Shock Particle Streaming Upstream at New Horizons"

Connection Link:

https://tinyurl.com/52722tcm

Meeting ID: 973 1769 7636
Passcode: Arrokoth

Calendar for future seminars:

https://tinyurl.com/22jnnkm2

- October 23, Ralph McNutt, Pluto's Environment: The Combined
  Solar-Wind and Solar-Energetic-Particles Distribution Function as
  Observed by New Horizons

- November 20, Oliver White, Pluto Global Map

Recordings are archived and posted at:

https://tinyurl.com/yu38rv8e

For questions, contact New Horizons Co-I Susan Benecchi, susank@psi.edu


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MARSSI USER MEETING AT EPSC-DPS 2025

MARS Systeme d'Information (MarsSI), a platform for on-demand
processing of planetary orbital data, will hold a splinter meeting at
EPSC-DPS 2025.

The agenda includes presentation of the platform, live demonstration,
and a tutorial on how to use the output products in QGIS.

The session is planned Wednesday September 10 at 11:00 (EEST). Details
are below:

https://meetingorganizer.copernicus.org/EPSC-DPS2025/session/55313

For more information on MarsSI, please visit:

https://marssi.univ-lyon1.fr/

MarsSI is one of the tools of Planetary Surface Portal (PSUP):

https://psup.cnrs.fr/en/


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EPSC-DPS WOMEN IN PLANETARY SCIENCE DISCUSSION HOUR - THURSDAY,
SEPTEMBER 10, 2025

Please join us for the annual Women in Planetary Science (WiPS)
discussion hour over lunchtime at this year's joint EPSC-DPS meeting in
Helsinki, Finland! This year, we're diving into the topic of building
more international collaborations and funding opportunities across
different countries. We will have an engaging discussion featuring
planetary scientists with diverse international experiences. Come with
your thoughts, questions, and an appetite for networking! Thanks to
generous sponsorship from the DPS Committee, sandwiches will be
provided for the first 100 registrants. We look forward to a
stimulating and collaborative discussion!  Registration and more info:

https://bit.ly/WiPS_2025


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ANNOUNCING THE LAUNCH OF SOLARSYSTEM.VIDEO

The Planetary Research Cooperative is pleased to announce the launch of
its community video server that is devoted exclusively to planetary
science content - SolarSystem.video:

https://solarsystem.video

The server uses the federated open-source software Peertube, and the
platform is not monetized and shows no ads. We are currently hosting
channels for Europlanet, Geo.X, ISSI, ISSI-Beijing, Lightcurve films,
and OpenPlanetary, with more to come. Nearly 700 videos are already
available, including several popular online seminar series.

For information on how to create an account or upload content, sign up
to be a member at:

https://coop.planetary-research.org


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[NASA] PDS: MARS RECONNAISSANCE ORBITER DATA RELEASE 74

The NASA Planetary Data System announces Release 74 of data from the
Mars Reconnaissance Orbiter (MRO). This release contains raw,
calibrated, and derived data products nominally covering the time
period November 9, 2024, through February 8, 2025. Some instrument
teams are delivering more recent data. The data are archived at various
PDS nodes.

CRISM, SHARAD, and Radio Science data at the Geosciences Node. HiRISE,
CTX, and MARCI data at the Cartography and Imaging Sciences Node. MCS
data at the Atmospheres Node. SPICE data at the NAIF Node

For a view centered on this release:

https://pds.nasa.gov/datasearch/subscription-service/SS-20250829.shtml

The data may also be accessed at:

https://pds-geosciences.wustl.edu/missions/mro/

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/

MRO data releases occur every three months. The next release is
scheduled for December 1, 2025.


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[NASA] PDS: KPLO SHADOWCAM

The NASA Planetary Data System's Cartography and Imaging Sciences Node
(IMG) announces the release of the ShadowCam Data Archive.

ShadowCam is a NASA-funded instrument hosted onboard the Korea
Aerospace Research Institute (KARI) Korea Pathfinder Lunar Orbiter
(KPLO) satellite. By collecting high-resolution images of the Moon's
permanently shadowed regions (PSRs), ShadowCam will provide critical
information about the distribution and accessibility of water ice and
other volatiles at spatial scales (1.7 m/pixel) required to mitigate
risks and maximize the results of future exploration activities.

The archives include all the data collected by the instrument during
the KPLO mission with new data released quarterly. Calibrated,
map-projected versions of all images are available in Cloud Optimized
GeoTIFF (COG) format, which can be used directly in most GIS software
packages and converted to USGS ISIS format using GDAL. PDS-format
versions of raw and calibrated unprojected image data are also
available.

Project Website:

https://shadowcam.im-ldi.com/

Archive DOI:

https://www.doi.org/10.17189/y89z-kt98


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[NASA] PDS: PSYCHE GRS AND NS RELEASE 2

This release of Psyche Mission data includes the following data, with
data coverage 2025-04-01 through 2025-06-30.  Cruise data will continue
to be released quarterly.
- Gamma Ray Spectrometer (GRS) raw cruise data
- Neutron Spectrometer (NS) raw cruise data

These data are available at:

https://pds.nasa.gov/datasearch/subscription-service/SS-20250825.shtml

Or more directly at:

https://arcnav.psi.edu/urn:nasa:pds:psyche.grs

https://arcnav.psi.edu/urn:nasa:pds:psyche.ns

To access all data archived in PDS:

https://pds.nasa.gov/


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[NASA] PDS: Aperiodic PDS Data Releases in 2025.08

In August 2025, PDS ingested and made available the following data,
none of which were regularly released with an ongoing mission:

- 2025.08.28 Shape Models and Assessment Products Dione
- 2025.08.28 Shape Models and Assessment Products Mimas
- 2025.08.28 Shape Models and Assessment Products Rhea
- 2025.08.28 Shape Models and Assessment Products Tethys
- 2025.08.22 MSL ChemCam Passive Surface Spectra
- 2025.08.14 Pioneer 11 Trajectory
- 2025.08.14 Pioneer 11 Trapped Radiation Detector
- 2025.08.11 Pioneer 11 Quadraspherical Plasma Analyzer (PA)
- 2025.08.14 Pioneer 10 Trajectory
- 2025.08.06 Pioneer 10 Charged Particle Instrument
- 2025.08.05 Pioneer 10 Quadraspherical Plasma Analyzer (PA)

To access those data:

https://pds.nasa.gov/datasearch/subscription-service/SS-20250831.shtml

To access all data archived in PDS:

https://pds.nasa.gov


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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.


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PLANETARY SCIENCE JOURNAL - NEW PAPERS

Direct Links to Open Access Papers
Editor, Faith Vilas

https://psj.aas.org

Crater Retention Timescales of Brain Coral Terrain Record Past
Climatic Change on Mars
Alexander M. Morgan et al. 2025 PSJ 6:200
https://doi.org/10.3847/PSJ/adf1aa

Asteroid Companions in the Visible: WFPC 2 Images
A. D. Storrs and F. Vilas 2025 PSJ 6:201
https://doi.org/10.3847/PSJ/adef30

Simulating the (99942) Apophis Earth Flyby Using a Contact Binary
Model
Hai-Shuo Wang et al. 2025 PSJ 6:202
https://doi.org/10.3847/PSJ/adf73f

X-Ray-induced Photochemistry of Hydrocarbons: Implications for the
Formation of Organic Haze in (Exo)Planetary Atmospheres
Salma Bejaoui et al. 2025 PSJ 6:203
https://doi.org/10.3847/PSJ/adf4d3

Spectral Trends across the Rings and Inner Moons of Uranus and Neptune
from JWST NIRCam Images
M. M. Hedman et al. 2025 PSJ 6:204
https://doi.org/10.3847/PSJ/adf325

Atomic-scale Insights into the Effects of Diffusion on the Binding of
Adsorbed Sodium on the Surfaces of the Moon and Mercury
Anastasis Georgiou et al. 2025 PSJ 6:205
https://doi.org/10.3847/PSJ/adf188

A Novel Metric for Assessing Climatological Surface Habitability
Hannah L. Woodward et al. 2025 PSJ 6:206
https://doi.org/10.3847/PSJ/adf3ab


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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

Scales of Martian Crustal Magnetization Constrained by MAVEN, InSight,
and Zhurong
O. M. Romeo, M. Manga, R. J. Lillis, A. Mittelholz
https://doi.org/10.1029/2025JE008986

New Geophysical Constraints for Intrusive Magmatism at Large Martian
Volcanoes: Implications for Crustal Thickness and Volatile Outgassing
N. L. Wagner & P. B. James
https://doi.org/10.1029/2025JE008959

Lobate Forms Around Craters on the Moon and Mercury: Origin From
Landslides, Ejecta Flows and Modification Stage Collapse
A. J. Blance et al.
https://doi.org/10.1029/2025JE008980

Enceladus Water Plume Modeling Using DSMC
A. Mahieux et al.
https://doi.org/10.1029/2025JE009008

Investigations of the Sinus Aestuum DMD: An Anomalously Large and
Compositionally Distinct Lunar Pyroclastic Deposit
Cosmo T. Sikes, Jessica M. Sunshine, Megan E. Newcombe
https://doi.org/10.1029/2024JE008919

On the Crustal Architecture of the Terrestrial Planets
A. Broquet, J. Maia, M. A. Wieczorek
https://doi.org/10.1029/2025JE009139

Investigation of the Thermal Conductivity of Dry and Icy Lunar Regolith
Simulants
Henning Wache, Luca Kiewiet, Paul Zabel, Jurgen Blum
https://doi.org/10.1029/2025JE009084


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