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planetary surfaces

Image of red and orange mountain with a black background
Posted inNews

Active Volcanoes on Venus?

by Javier Barbuzano 16 March 202316 March 2023

With a new look at old imagery, scientists may have found evidence of volcanic activity on Venus.

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.

Black-and-white satellite photo of the Martian surface before and after a meteor impact
Posted inNews

Meteor Impact Could Inform Martian Mysteries

by Caroline Hasler 16 December 202216 December 2022

The impact sent surface waves rippling over the Martian surface all the way to NASA’s InSight lander, giving scientists a rare view of the planet’s outer layer.

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.

Posted inResearch Spotlights

MESSENGER Reveals a More Dynamic Mercury Surface

by Morgan Rehnberg 28 September 202225 January 2023

Image pairs indicate that 99% of the planet’s surface could be altered in the next 25 million years.

A circular hole drilled into Gale Crater on Mars.
Posted inNews

Unraveling the Mystery of a Rare Mineral on Mars

by Clarissa Wright 7 September 20223 January 2023

The discovery of tridymite in Mars’s Gale Crater triggered debate about the rare mineral’s origins. A research team recently suggested a scenario with explosive implications.

Illustration of two spacecraft near the Moon, with Earth in the background.
Posted inNews

Moon’s Porosity Changes Cratering History, Study Says

by Damond Benningfield 3 August 20224 October 2022

Gravity field measurements from decade-old lunar orbiter provide a proxy for counting craters.

Model of the evolution of the Serenitatis Basin, on the near side of the Moon.
Posted inEditors' Highlights

An Impact Basin Thermometer for the Moon

by Laurent G. J. Montési 22 April 202216 June 2022

Large impact basins on the near side of the Moon lack the annulus of thickened crust that far-side basins have. The difference can be linked to the thermal structure of the lunar crust.

Detailed image shows sculpted layers of ice at Mars’s south pole.
Posted inNews

The Bumpy Search for Liquid Water at the South Pole of Mars

by Damond Benningfield 8 March 20228 March 2022

Studies since 2018 have provided competing explanations of bright radar reflections from the base of the south polar ice cap.

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Features from AGU Journals

RESEARCH SPOTLIGHTS
Earth’s Future
“How to Build a Climate-Resilient Water Supply”
By Rachel Fritts

EDITORS' HIGHLIGHTS
AGU Advances
“How Do Atmospheric Rivers Respond to Extratropical Variability?”
By Sarah Kang

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

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