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Mars

8 close-up images of rock.
Posted inEditors' Highlights

The Future of Martian Paleomagnetism

by Anna Mittelholz 12 November 20248 November 2024

Samples collected by the Perseverance Rover have great potential for providing insights into the history of Mars’ magnetic field.

Artist’s interpretation of a river on Mars, stretching off into the distance, where there is a wall of ice. Red soil is on either side of the water.
Posted inResearch Spotlights

How an Ocean-Sized Lake May Have Formed on Ancient Mars

by Saima May Sidik 6 November 20246 November 2024

The catastrophic collapse of Mars’s atmosphere may have melted its polar ice cap, creating an ice-covered southern sea.

El vehículo explorador Mars 2020 Perseverance en la superficie de Marte en un selfie ensamblado a partir de varias imágenes tomadas por el brazo robótico del vehículo explorador. Uno de los tubos de almacenamiento de muestras del vehículo explorador está en el suelo delante del vehículo explorador.
Posted inFeatures

El pasado, presente y futuro de traer muestras extraterrestres

by Jemma Davidson and Jessica Barnes 23 October 202423 October 2024

La obtención de muestras de cuerpos distantes del sistema solar ha revolucionado nuestra comprensión del cosmos y del lugar que ocupamos en él.

A sphere with a mottled orange, red, yellow, and gray surface appears bright against a black background.
Posted inResearch Spotlights

How Did Magma Oceans Evolve on Early Earth and Mars?

Sarah Stanley, Science Writer by Sarah Stanley 10 October 202410 October 2024

New insights into the early timelines of rocky planets are emerging, thanks to clues from iron chemistry and primordial atmospheres.

A view of the surface of Mars showing craters of various sizes
Posted inNews

These Five Craters May Have Birthed a Third of Martian Meteorites

Katherine Kornei, Science Writer by Katherine Kornei 26 September 202426 September 2024

Researchers have homed in on five craters on the Red Planet that are the likely sources of Martian meteorites.

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 sand-filled gully carves through layers of rocks on Mars
Posted inNews

Curiosity Digs Up Evidence of a Cold, Wet Martian Past

Damond Benningfield, Science Writer by Damond Benningfield 21 August 202421 August 2024

Amorphous materials, which are rarely studied on Earth, yield insights into the history of Gale Crater and the early Martian environment.

The Mars 2020 Perseverance rover is seen on Mars’s surface in a selfie assembled from several images taken by the rover’s robotic arm. One of the rover’s sample caching tubes is on the ground in front of the rover.
Posted inFeatures

The Past, Present, and Future of Extraterrestrial Sample Return

by Jemma Davidson and Jessica Barnes 17 July 202423 October 2024

Retrieving samples from distant solar system bodies has revolutionized our understanding of the cosmos and our place in it.

A van labeled “Extremophiles” stands next to ladders extending into a small, deep pit dug into the Atacama Desert.
Posted inNews

Researchers Find Bacterial Communities Deep Beneath the Atacama

by Alejandro Pardo 12 July 202411 July 2024

Extremophile microbes exist in the gypsum-rich “fringes” of the driest place on Earth.

Illustration of a lander, rover, helicopter, launch vehicle, and satellite on Mars
Posted inNews

Mars Mission’s Monetary Roller Coaster Hits New Lows

Kimberly M. S. Cartier, News Writing and Production Intern for Eos.org by Kimberly M. S. Cartier 24 April 202424 April 2024

In February, the NASA research center laid off more than 500 people, citing congressional budget uncertainties over the controversial Mars Sample Return mission. What is its path forward?

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18 September 202518 September 2025
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