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Journal of Geophysical Research: Planets

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Satellite orbiting near a rocky asteroid surface.
Posted inEditors' Highlights

Are There Metal Volcanoes on Asteroids?

by Laura Schaefer 18 September 202516 September 2025

Upcoming NASA observations may reveal whether ferrovolcanism shaped 16 Psyche’s metallic surface and hidden interior.

In this bird’s-eye satellite view, light brown peaks and valleys appear beneath a thin, grayish-white haze of foggy cloud cover that varies in translucence.
Posted inResearch Spotlights

First Complete Picture of Nighttime Clouds on Mars

Sarah Stanley, Science Writer by Sarah Stanley 11 August 202519 August 2025

Data captured by the Emirates Mars Mission reveal that clouds are typically thicker during Martian nighttime than daytime.

2 maps from the study.
Posted inEditors' Highlights

Nearly 94 Million Boulders Mapped on the Moon Using Deep Learning

by Jean-Pierre Williams 6 August 20255 August 2025

Scientists used a deep learning algorithm to map the size and location of nearly 94 million boulders on the lunar surface, highlighting differences in boulder densities and size distributions.

An artist’s depiction of Jupiter and its magnetosphere, which appears to stretch out to the left and right of the planet like two purple butterfly wings
Posted inResearch Spotlights

A Solar Wind Squeeze May Have Strengthened Jovian Aurorae

Sarah Stanley, Science Writer by Sarah Stanley 1 August 20251 August 2025

Juno spacecraft data suggest an extreme compression of the planet’s magnetosphere in December 2022, caused by the solar wind, briefly brightened the ultraviolet light displays.

Satellite photo of features on Europa.
Posted inEditors' Highlights

What Goes Up Must Come Down: Movement of Water in Europa’s Crust

by Kelsi Singer 31 July 202531 July 2025

Using Earth’s glaciers as an analog, a new study explores the possibility of downward propagation of fractures and melt in Europa’s icy crust.

An artist’s depiction of two Martian orbiters. One is sending a signal to the other that looks like a purple light.
Posted inResearch Spotlights

Orbiter Pair Expands View of Martian Ionosphere

Sarah Stanley, Science Writer by Sarah Stanley 20 June 202525 August 2025

Radio signals sent between two Mars orbiters—rather than between an orbiter and an Earth-based receiver—capture new insights into atmospheric dynamics.

The Curiosity rover perched on top of a hill on the surface of Mars
Posted inResearch Spotlights

Proposed Experiment Could Clarify Origin of Martian Methane

by Saima May Sidik 12 May 202512 May 2025

Curiosity’s detection of the gas, if atmospheric, could be an indicator of life on the Red Planet. But skeptics say further work is needed to rule out the rover itself as the source of the methane.

Photo of a Martian crater.
Posted inEditors' Highlights

Geophysics Sheds Light on Early Martian Water and Habitability

by Michael M. Sori 15 April 202511 April 2025

A new study uses inversions of orbital gravity and magnetic field data to argue for the presence of ancient, long-lasting hydrothermal systems on Mars.

Diagram from the study.
Posted inEditors' Highlights

Martian Magmas Live Long and Prosper

by Mariek E. Schmidt 10 April 20259 April 2025

The depths, longevity, and potential to generate silicic compositions of magma chambers are linked to crustal temperature, which varies across Mars and over its geological history.

Diagram of the Insight lander and graphs from the study.
Posted inEditors' Highlights

Come on Feel the Noise: Machine Learning for Seismic-Wind Mapping on Mars

by Germán Martinez and Beatriz Sánchez-Cano 1 April 202527 March 2025

Wind vibrations measured by NASA’s InSight mission seismometer are mapped into wind speed and direction to detect major annual weather patterns and open new possibilities for planetary instrumentation.

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