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planetary surfaces

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 inENGAGE, News

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.

An image of Mars.
Posted inENGAGE, News

Five Martian Mysteries That Have Scientists Scratching Their Heads

by Matthew R. Francis 2 November 20232 November 2023

Despite centuries of study and many spacecraft visits, the Red Planet still holds secrets. Here are just a few.

Representación artística de un criovolcán en erupción en Tritón, luna de Neptuno
Posted inNews

La canción de hielo y fuego del criovulcanismo

Erik Klemetti, Science Writer by Erik Klemetti 16 October 202316 October 2023

Las lunas oceánicas del sistema solar exterior nos dan pistas sobre volcanes de hielo, fuentes hidrotermales, y la tentadora posibilidad de habitabilidad.

A spacecraft consisting of a bright central box and two cross-shaped solar panels flies above the jagged landscape of a large asteroid.
Posted inENGAGE, News

Getting Psyched Up for an Asteroid Mission

Damond Benningfield, Science Writer by Damond Benningfield 4 October 20235 October 2023

The first mission to a metallic asteroid, scheduled for launch on 5 October, could provide clues to the formation of Earth and the solar system’s other inner planets.

An artist’s depiction of a cryovolcano is erupting on Neptune’s moon Triton.
Posted inFeatures

Cryovolcanism’s Song of Ice and Fire

Erik Klemetti, Science Writer by Erik Klemetti 25 September 20236 October 2026

Ocean moons of the outer solar system hint at ice volcanoes, hydrothermal vents, and the tantalizing chance of habitability.

Black-and-white oblique view of an ancient delta on Mars’s surface taken by a satellite
Posted inResearch Spotlights

Optimizing Carbonate Classification on Mars

Sarah Derouin, Science Writer by Sarah Derouin 7 September 20237 September 2023

Combining data from several of the Perseverance rover’s spectroscopic sensors offers a more accurate means to classify carbonate minerals that may hold hints of ancient life.

A close-up image of the Moon showing a single large crater surrounded by a field of smaller craters
Posted inResearch Spotlights

Decrypting Lunar Craters Quickly and Easily

by Saima May Sidik 14 July 202314 July 2023

Machine learning can reveal the stories written in the marks on the Moon.

Artist’s impression of LP 791-18 d, an exoplanet heated by tides
Posted inNews

Nearby Volcano Planet Likely Fueled by Tidal Heating

Javier Barbuzano, Science Writer by Javier Barbuzano 22 June 202322 June 2023

A gravitational dance between a newly discovered exoplanet and its host star may be driving extreme volcanism on its surface.

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