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Journal of Geophysical Research: Planets

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A satellite orbiting Mercury
Posted inEditors' Highlights

Mercury’s Hollows may be Young and Active

by Jean-Pierre Williams 21 February 202521 February 2025

The first machine learning-derived global-scale survey of Mercury’s hollows suggests they are young features that may be active and will continue to evolve.

Titan's rampart craters.
Posted inEditors' Highlights

The Explosive Origins of Titan’s Rampart Craters

by Amanda Hendrix 21 November 202420 November 2024

In a new study, volcanic explosions are explored and modeled to understand the possible origins of rampart craters on Titan and determine whether their formation can source atmospheric methane.

8 close-up images of rock.
Posted inEditors' Highlights

The Future of Martian Paleomagnetism

by Anna Mittelholz 12 November 20248 November 2024

Samples collected by the Perseverance Rover have great potential for providing insights into the history of Mars’ magnetic field.

Artist’s interpretation of a river on Mars, stretching off into the distance, where there is a wall of ice. Red soil is on either side of the water.
Posted inResearch Spotlights

How an Ocean-Sized Lake May Have Formed on Ancient Mars

by Saima May Sidik 6 November 20246 November 2024

The catastrophic collapse of Mars’s atmosphere may have melted its polar ice cap, creating an ice-covered southern sea.

Map of the moon's surface from the study.
Posted inEditors' Highlights

Timing the Global Expansion on the Moon

by Laurent G. J. Montési 11 October 202411 October 2024

A new analysis of the relation between randomly oriented linear gravity anomalies and two large craters on the Moon implies that the gravity anomalies formed over a long period of time.

A sphere with a mottled orange, red, yellow, and gray surface appears bright against a black background.
Posted inResearch Spotlights

How Did Magma Oceans Evolve on Early Earth and Mars?

Sarah Stanley, Science Writer by Sarah Stanley 10 October 202410 October 2024

New insights into the early timelines of rocky planets are emerging, thanks to clues from iron chemistry and primordial atmospheres.

Photo of Ariel, one of Uranus’ moons.
Posted inEditors' Highlights

Investigating Origins of CO2 Ice on Uranian Moons

by Amanda Hendrix 29 August 202427 August 2024

A new study investigates the role of volatile migration in the unique Uranian thermal environment.

Map of the Moon with symbols.
Posted inEditors' Highlights

New Moonquakes from Old Data

by Laurent G. J. Montési 5 August 202414 August 2024

Almost 50 years after they were turned off, the Apollo seismometers still have secrets to reveal.

Images of 3 craters.
Posted inEditors' Highlights

Unveiling the Origins of Dome Craters on Ganymede and Callisto

by Kelsi Singer 23 July 202422 July 2024

Large craters with broad central domes are a unique crater morphology on Jupiter’s largest icy moons: Ganymede and Callisto. A new study examines how remnant impact heat may lead to their formation.

Photo of Laurent Montési with the journal cover
Posted inEditors' Vox

Reflecting on 5 Years at the Helm of JGR: Planets

by Laurent G. J. Montési 8 May 20247 May 2024

The outgoing Editor-in-Chief of JGR: Planets reflects on the position of planetary sciences within AGU and the dedication of the planetary science community to supporting sound and insightful science.

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Features from AGU Publications

Research Spotlights

Machine Learning Simulates 1,000 Years of Climate

27 August 202527 August 2025
Editors' Highlights

As Simple as Possible: The Importance of Idealized Climate Models

28 August 202526 August 2025
Editors' Vox

Waterworks on Tree Stems: The Wonders of Stemflow

21 August 202520 August 2025
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