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Journal of Geophysical Research: Planets

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A picture of Phobos, the larger of Mars’s two moons
Posted inResearch Spotlights

New Hints About How Martian Moons Formed

by E. Underwood 11 February 201928 July 2022

A new study finds that Phobos includes chunks of Martian crust.

A view of Yellowknife Bay in Mars’s Gale crater
Posted inResearch Spotlights

Researchers Bring Early Martian Water Chemistry to Life

Sarah Stanley, Science Writer by Sarah Stanley 25 January 20193 January 2023

Lab experiments constrain conditions necessary for a key mineral to have formed in ancient lagoons and a crater lake.

A false-color image of Venus’s atmosphere
Posted inResearch Spotlights

New Analysis Provides a Fresh View of the Atmosphere on Venus

Aaron Sidder, freelance science writer by Aaron Sidder 17 January 20195 January 2022

Researchers apply a radio holographic method to standard Venusian atmospheric data, resulting in outputs with finer vertical resolution and revealing small-scale atmospheric structures.

Image of part of the Cerberus Fossae fault, taken by the HiRISE instrument aboard the Mars Reconnaissance Orbiter.
Posted inResearch Spotlights

Searching for Signs of Marsquakes

Kate Wheeling, freelance science writer by Kate Wheeling 28 August 201828 July 2022

Researchers use high-resolution images of Mars’s surface to look for signals of coseismic displacement.

Researchers find evidence of regional deposition in Mars’s south polar deposits
Posted inResearch Spotlights

Evidence of Regional Deposition in Mars’s South Polar Deposits

by Terri Cook 13 August 20188 August 2022

Shallow Radar correlation of discrete units in one of the Red Planet’s largest ice reservoirs suggests that its material was emplaced as a single, regional deposit.

Researchers analyze rocks from Mars’s Gale crater to see whether the conditions under which they formed were really as Earthlike as previously believed.
Posted inResearch Spotlights

Is Mars Not So Earthlike After All?

by E. Underwood 16 July 20183 January 2023

Light-colored Gale crater rocks could have formed from intraplate volcanoes, not continental crust, new study finds.

Researchers analyze traces of volcanic activity and water flooding in Hrad Vallis on Mars
Posted inResearch Spotlights

Tracing the Steps of Hydrothermal Activity in Hrad Vallis, Mars

by S. Witman 10 July 201810 October 2021

Conditions that formed Amazonian age valleys may have been hospitable to microbial life.

Recently restored data suggest that astronaut disturbances to the lunar surface resulted in observed subsurface warming.
Posted inResearch Spotlights

The Case of the Missing Lunar Heat Flow Data Is Finally Solved

Sarah Stanley, Science Writer by Sarah Stanley 25 June 201810 March 2022

Decades-old data analyzed for the first time suggest that astronauts’ disturbance of the Moon surface increased solar heat intake, warming the ground below.

Researchers peer through Titan’s atmosphere to understand its surface geology
Posted inResearch Spotlights

Peering Through Titan’s Haze to Better Understand Its Surface

by Terri Cook 5 June 201825 August 2022

Variations in grain size and water ice content detected on Saturn’s largest moon offer evidence of geologically related units that resemble the mountain-to-desert transition on Earth.

Posted inEditors' Highlights

How Did Venus Get its Youthful Surface?

by Steven A. Hauck, II 17 May 201816 November 2021

Catastrophic lithospheric recycling is unlikely to be the cause of Venus’s young surface from mantle convection models constrained by offset between the center of mass and center of shape of planet.

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Features from AGU Publications

Research Spotlights

First Complete Picture of Nighttime Clouds on Mars

11 August 202511 August 2025
Editors' Highlights

Southern Hemisphere Subtropical Lower Stratosphere is Warming

12 August 202511 August 2025
Editors' Vox

Early-Career Book Publishing: Growing Roots as Scholars

6 August 202530 July 2025
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