Editor: Alex Morgan
Co-Editors: Mark V. Sykes, Matthew R Perry
Email: pen_editor@psi.edu
X: @pen2tweets
Bluesky: @planetarynews.bsky.social

o-------------------------TABLE OF CONTENTS---------------------------o

1. Royal Society Discussion Meeting: Unravelling the Magnetic 
   Histories of Earth and Other Terrestrial Bodies
2. Postdoc in Polar and Planetary Microbiology at Cornell University
3. Tracing Rocky Exoplanet Compositions (TREC) Workshop
4. Professional Development Webinar: Careers in Planetary Science and 
   Astrobiology
5. Earth Science Women's Network Upcoming Events
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

ROYAL SOCIETY DISCUSSION MEETING: UNRAVELLING THE MAGNETIC HISTORIES 
OF EARTH AND OTHER TERRESTRIAL BODIES

We would like to announce the opportunity, in just under 12 months, 
for a discussion meeting funded by The Royal Society in London. 

14-15 September, 2026
The Royal Society, Central London

Registration will be free and, over two days, there will be 17 invited 
talks, a poster session (open to all), flash talks, and a great deal 
of stimulating discussion.

Please be sure to put the dates in your diaries. The last such meeting 
on a similar theme was in 1999 and is fondly remembered by many, 
including some on the organising committee.

Full details on registration and poster abstract submission will be 
sent round in due course. 

We hope to see a great many of you in London in a year's time!

This meeting will assemble researchers working across vast length and 
time-scales to understand the multibillion year histories of dynamos 
operating in the cores of Earth, the Moon, Mars, Mercury and 
asteroids. It aims to provide a platform for recent advances in data, 
techniques and concepts to tackle major contemporary controversies 
whose implications stretch far beyond geo- and planetary magnetism.

[Edited for length]


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

POSTDOC IN POLAR AND PLANETARY MICROBIOLOGY AT CORNELL UNIVERSITY

We are seeking a Postdoctoral Fellow to join a field-going research 
program working in northwest Greenland in the Planetary Habitability & 
Technology lab group. The ideal candidate would have prior experience 
working with water sampling, laboratory processing of microbial and 
nutrient samples, as well as with metagenomic analyses. The ideal 
candidate would also have prior experience in polar ecosystems and a 
strong interest in coupling these data to oceanographic/environmental 
variables to better understand fjord and subglacial processes. The 
candidate should be able to participate in at least one field 
campaign. The Fellow will be joining a Astrobiology program-funded 
project and a vibrant interdisciplinary research group combining 
oceanography, glaciology, and planetary science with robotics. Desired 
start date is by January 1. The field campaign would take place from 
late February to April 2026. Applications will be reviewed on a 
rolling basis beginning October 1 until filled. Applicants should 
submit a cover letter, CV and list of three references to Dr. Britney 
Schmidt britneys@cornell.edu and brandi.revels@cornell.edu.

Job description: 

https://academicjobsonline.org/ajo/jobs/30630


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

TRACING ROCKY EXOPLANET COMPOSITIONS (TREC) WORKSHOP

We invite applications to the Tracing Rocky Exoplanet Compositions 
(TREC) workshop called "Under the Atmospheric Hood: How Geochemical 
Cycles Affect Exoplanet Biosignatures". This workshop will be held at 
Arizona State University in Tempe, AZ January 12-14 (after the AAS 
meeting in Phoenix). 

TREC is a project within the NExSS RCN devoted to detailing the 
connection between a planet's natural geological cycles and its 
atmospheric signature. This workshop will bring together astronomers 
and geochemists to map out potential geochemical cycles and their 
effects on biosignatures, across the diversity of rocky exoplanets.

We seek participants across career stages, and across many fields: 
astronomy, planetary science, and geochemistry. Applications are now 
open and will close on October 15, 2025. We expect to offer ~40 people 
in person attendance, which will include stipends to offset attendance 
costs. We expect to notify selected in person applicants in late 
October; all others will be offered virtual attendance. To apply 
directly, please visit this link:

https://forms.gle/FzxaTGF2k2LkSpba8

For more information, please visit the workshop's website:

https://trec-nexss.org/workshop


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

PROFESSIONAL DEVELOPMENT WEBINAR: CAREERS IN PLANETARY SCIENCE AND 
ASTROBIOLOGY

Friday, October 3
3pm ET / 2pm CT / 1pm MT / 12pm PT

Join the LPI's Science Engagement team for a webinar exploring diverse 
career paths within planetary science and astrobiology. This 
multidisciplinary session will highlight career options across 
academia, government, nonprofit, and commercial sectors.

Our panel of experts will discuss the differences in these career 
options, the varying expectations, and suggest ways to prepare for 
each. This session is especially designed for early-career scientists 
and professionals looking to navigate or transition within these 
multidisciplinary fields.

Register at:

https://www.zoomgov.com/webinar/register/WN_rqZvdhfnSouY_Bhkea2CZw


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

EARTH SCIENCE WOMEN'S NETWORK UPCOMING EVENTS

We have several events coming up this season that may be of interest 
to you and/or your colleagues, students and friends, themed around 
Wellbeing and Careers Support. These are listed below, together with 
a web-link that contains more information about each event and how 
to register:

October 2 2025, 1700 UTC: Support Gathering:

https://eswnonline.org/support-gathering-october/

October 23 2025, 1600 UTC: Careers Beyond Academia - Engagement and 
Knowledge Exchange:

https://tinyurl.com/5e8tc5ru

November 25 2025, 1630 UTC: Diplomacy on a Global Stage:

https://eswnonline.org/diplomacy-skills-november-2025/

Our events on October 23 2025 and November 25 2025 will be recorded 
for asynchronous participation and posted to our YouTube channel.

We hope to e-see you at our events over the next few months. If you 
have any questions, please let us know.

Best wishes,
The Earth Science Women's Network Board and Associate Board of 
Directors


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

January 12-14, 2026
Tracing Rocky Exoplanet Compositions (TREC) Workshop
https://trec-nexss.org/workshop
Tempe, AZ


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, Faith Vilas
https://psj.aas.org

Thermal Inertia Controls on Titan's Surface Temperature and Planetary
Boundary Layer Structure
Sooman Han and Juan M. Lora 2025 PSJ 6:222
https://doi.org/10.3847/PSJ/adfed1

On the Origin of Silicic Magmas on the Moon
Srinidhi Ravi et al. 2025 PSJ 6:223
https://doi.org/10.3847/PSJ/adf7a4

The Ongoing Decline in Activity of Comet 103P/Hartley 2
Ariel Graykowski et al. 2025 PSJ 6:224
https://doi.org/10.3847/PSJ/ae018e


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

Rock Coatings as Evidence for Late Surface Alteration on the Floor of 
Jezero Crater, Mars
Bradley J. Garczynski et al.
https://doi.org/10.1029/2025JE009242

Hydrated Silica in Oxia Planum, Mars
Joseph D. McNeil et al.
https://doi.org/10.1029/2025JE008989

Re-Analysis of Pioneer Venus Data: Water, Iron Sulfate, and Sulfuric 
Acid are Major Components in Venus' Aerosols
R. Mogul, M. Yu. Zolotov, M. J. Way, S. S. Limaye
https://doi.org/10.1029/2024JE008582

The Boulder-Rich Blocky Unit of the Western Jezero Upper Fan: 
Discriminating Olivine and Pyroxene Compositions and Constraining 
Provenance
Alicia F. Vaughan et al.
https://doi.org/10.1029/2025JE009159


***********************************************************************
* 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.
*
* PEN is a service provided by the Planetary Science Institute
* (https://www.psi.edu) using no NASA funds. All editorial work is
* volunteer.
***********************************************************************