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Journal of Geophysical Research: Planets

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A brownish and gray image of the ringed planet Saturn appears against a black background, with portions of its northern hemisphere and rings overlain with colorful new spacecraft images.
Posted inResearch Spotlights

James Webb Space Telescope Captures Saturn’s Changing Seasons

Sarah Stanley, Science Writer by Sarah Stanley 28 September 202328 September 2023

Unprecedented images reveal how Saturn’s atmosphere is evolving as summertime winds down in its northern hemisphere.

An artificially colorized view of a rocky valley between two hills on Mars, with part of the Curiosity rover visible at bottom. The right portion of the image, under blue sky, represents the scene in the morning, and the left portion, under yellow sky, the afternoon.
Posted inResearch Spotlights

Mars Has Far Fewer Minerals Than Earth Does

Rachel Fritts, Science Writer by Rachel Fritts 6 September 20236 September 2023

The development of plate tectonics and life on Earth provided avenues for mineral evolution that did not occur on Mars, resulting in relatively limited mineral diversity on the Red Planet.

Cross-section of the Moon with interior structures labeled.
Posted inEditors' Highlights

A Mystery About the Moon’s Deep Interior Endures

by Laurent G. J. Montési 25 July 202318 July 2023

Geophysical data has suggested that the base of the Moon’s mantle is partially molten or contains ilmenite, but an improved rheology model puts the existence of this layer in doubt.

Mosaic of four images of Comet 67P/Churyumov-Gerasimenko
Posted inEditors' Highlights

Dancing Dust on Comet 67P/Churyumov-Gerasimenko

by Naomi Murdoch and Laurent G. J. Montési 19 July 202318 July 2023

Cometary activity moves sediments over the surface of 67P/Churyumov-Gerasimenko, with long-term sinks near the poles of the comet.

Black and white photo of particles and a bar graph.
Posted inEditors' Highlights

Dust in the (Martian) Wind

by Laurent G. J. Montési and Germán Martinez 31 May 202330 May 2023

The InSight Lander, on Mars, intentionally dumped sand over its seismic instrument’s tether and the wind sorted the particles by size as it blew them away.

Photos of Martian meteorite NWA 7034.
Posted inEditors' Highlights

Hand Magnets Destroy the Magnetic Record of Meteorites

by Laurent G. J. Montési and Sonia Tikoo 30 May 202324 May 2023

Meteorite collectors often use strong magnets for classification, but this approach destroys crucial evidence of processes active in the early solar system.

A view of a low cliff on Mars, showing different layers of rocks
Posted inResearch Spotlights

A New Origin Story for Mars’s Burns Formation

by Morgan Rehnberg 3 May 20233 May 2023

The Red Planet’s Grasberg and Burns formations have different compositions today, but they may have started out the same way.

Map showing global distribution of volcanoes on Venus.
Posted inEditors' Highlights

A New View of Volcanism on Venus

by A. Deanne Rogers 12 April 202310 April 2023

Researchers present the most comprehensive catalog of Venusian volcanic edifices to date, providing new knowledge of the geological evolution of a relatively understudied planet.

Photos of rocks on Mars.
Posted inEditors' Highlights

Martian Rocks May Record Ancient Wind Directions

by Scott Guzewich 14 March 20236 March 2023

Mars 2020 Perseverance Rover images of abraded surface rocks may retain records of ancient wind directions, providing important ground-truth to our understanding of Mars’ recent climate history.

Photo of the surface of Mars.
Posted inEditors' Highlights

Martian Lava, Up Close and Personal

by Laurent G. J. Montési 10 March 20236 March 2023

The Mars 2020 Perseverance Rover conducted the first investigation of volcanic rocks where they stand in their original configuration on the surface of Mars.

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Features from AGU Journals

RESEARCH SPOTLIGHTS
Geophysical Research Letters
“Neural Networks Map the Ebb and Flow of Tiny Ponds”
By Sarah Derouin

EDITORS' HIGHLIGHTS
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“Collaboration Helps Overcome Challenges in Air Quality Monitoring”
By Muki Haklay

EDITORS' VOX
Reviews of Geophysics
“What We Know and Don’t Know About Climate Tipping Elements”
By Seaver Wang

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