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Journal of Geophysical Research: Planets

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.

Imagen satelital en blanco y negro mostrando un valle y un paleolago en la superficie de Marte.
Posted inResearch Spotlights

Lagos longevos cuentan una historia sobre el agua en Marte

by Sarah Derouin 24 February 202324 February 2023

Imágenes de alta resolución de paleolagos recientemente descubiertos en Marte demuestran un período de su historia con flujo de agua constante.

Graphs showing the interior evolution of Miranda diverging from that of Ariel.
Posted inEditors' Highlights

What Surprises do the Icy Uranian Moons Hold?

by Kelsi Singer 22 February 202317 February 2023

With efforts ramping up to send a spacecraft back to the Uranian system, anticipation is increasing as to what geological surprises are hiding inside and on the surfaces of the icy Uranian moons.

Posted inEditors' Highlights

Dust on Mars? The Answer, My Friend, is Blowin’ in the Wind

by Germán Martinez 21 February 202317 February 2023

The first flights of a helicopter on another planet are used to study dust lifting and mobilization in Jezero Crater, Mars.

Topographic projection of a deep pit on Titan.
Posted inEditors' Highlights

Titanic Caves and Where to Find Them

by Laurent G. J. Montési 25 January 202324 January 2023

More than 21,000 pits, depressions, and closed valleys on Titan may provide access to underground voids or caves.

Two graphs from the paper with temperature on the x-axis and pressure on the y-axis.
Posted inEditors' Highlights

Unprecedented Constraint on the Martian Mesopause Temperature

by Jun Cui 11 January 202318 January 2023

The middle atmosphere of Mars is a critical region influenced by both waves from below and solar radiation from above, but until now there have been very few observational constraints on this region.

Diagram showing the molecular hydrogen in Callisto’s atmosphere.
Posted inEditors' Highlights

Callisto’s H Corona: Offspring of the Surface or the Atmosphere?

by Beatriz Sanchez-Cano and Anni Määttänen 7 December 202219 January 2023

The mostly unknown Callisto’s H corona is created by a global tenuous H2 atmosphere and not by surface water as previously believed, providing the first evidence for H2 in Callisto’s atmosphere.

Black-and-white satellite image showing a valley and paleolake on Mars’s surface
Posted inResearch Spotlights

Long-Lived Lakes Reveal a History of Water on Mars

by Sarah Derouin 6 December 202224 February 2023

High-resolution imagery of newly discovered paleolakes shows a period of consistent liquid water flow.

Spacecraft view of the surface of Jupiter’s moon Europa showing a complex pattern of ridges and bands.
Posted inResearch Spotlights

Europa’s Plate Tectonic Activity Is Unlike Earth’s

by Morgan Rehnberg 29 November 202227 January 2023

The moon of Jupiter has likely experienced intermittent, regional plate tectonic activity in the past, although the plates are currently dormant.

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“How to Build a Climate-Resilient Water Supply”
By Rachel Fritts

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By Sarah Kang

EDITORS' VOX
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“Rare and Revealing: Radiocarbon in Service of Paleoceanography”
By Luke C. Skinner and Edouard Bard

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