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planetary surfaces

An artist’s depiction of the LCROSS mission, in which a hexagonal spacecraft, seen from behind, ejects a white cylindrical body to land on the Moon’s south pole.
Posted inResearch Spotlights

Fifteen Years Later, Scientists Locate a Lunar Impact Site

by Nathaniel Scharping 9 October 202415 October 2024

The impact crater from NASA’s LCROSS mission lies hidden in an eternally dark region of the Moon.

月球表面的机器人着陆器
Posted inNews

嫦娥六号首次从月球背面采集样本并返回

Kimberly M. S. Cartier, News Writing and Production Intern for Eos.org by Kimberly M. S. Cartier 1 October 20241 October 2024

这些样本可能为月球的形成和历史提供新的地质见解。

Large and small craters on the surface of Mars
Posted inNews

Parts of Mars Might Be Younger Than We Thought

by Jonathan O’Callaghan 10 September 202410 September 2024

Data from InSight’s seismometer suggest more impactors strike the Red Planet than expected.

A computer simulation on a repeat loop where the viewer approaches a circular pit on the Moon, descends vertically, and then levels out to see an underground cave.
Posted inNews

Lunar Lava Tube Revealed Beneath Collapsed Pit

Kimberly M. S. Cartier, News Writing and Production Intern for Eos.org by Kimberly M. S. Cartier 2 August 20242 August 2024

The Sea of Tranquility is home to at least one lunar lava tube, which could preserve a pristine and unweathered record of lunar volcanism.

A dark body, which is one of the seas on Titan, is outlined by golden, jagged material on the coastline.
Posted inNews

Waves May Be Crashing on Titan’s Shores

Damond Benningfield, Science Writer by Damond Benningfield 24 July 202424 July 2024

A new study suggests that wind-driven waves could be sculpting the coastlines of the lakes and seas on Saturn’s largest moon.

Robotic lander on the Moon’s surface
Posted inNews

First Samples from the Moon’s Farside Return on Chang’e-6

Kimberly M. S. Cartier, News Writing and Production Intern for Eos.org by Kimberly M. S. Cartier 25 June 202425 June 2024

These samples could provide novel geologic insight into the Moon’s formation and history.

A global thermal map of Enceladus.
Posted inNews

Strike-Slip Faults Could Drive Enceladus’s Jets

Kimberly M. S. Cartier, News Writing and Production Intern for Eos.org by Kimberly M. S. Cartier 29 April 202429 April 2024

The back-and-forth motion could also reshape surface geology at the moon’s south pole.

Satellite mosaic of Mars with Valles Marineris at center
Posted inNews

Martian Jumble May Be Hiding a Giant Volcano

Damond Benningfield, Science Writer by Damond Benningfield 19 April 202419 April 2024

The discovery of Noctis Mons could make the region a target for future Mars missions.

Gray and cratered Mimas hovers in front of Saturn with its rings seen edge on.
Posted inNews

That’s No Moon; It’s an Ocean World

Kimberly M. S. Cartier, News Writing and Production Intern for Eos.org by Kimberly M. S. Cartier 7 February 20248 January 2025

If Saturn’s cratered moon Mimas has liquid water beneath its surface, ocean worlds might be far more common in the solar system than we thought.

The mountain Telegonus Mensae on Io. In the bottom center of the image is a dark spot that could be an impact crater.
Posted inNews

Amateur Astronomer Finds a Possible Crater on Io

by Chiara Villanueva 15 December 202315 December 2023

The most volcanically active body in the solar system may have an impact crater, a discovery spotted by a curious nonprofessional scientist.

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