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Mars

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?

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.

Images of the first trench dug by the Mars Phoenix mission and 3 graphs.
Posted inEditors' Highlights

Towards a Unified Framework for Earth, Mars, Titan, and Exoplanets

by Germán Martinez 18 April 202417 April 2024

From a simple set of in situ or synthetic data, a general unified model has been developed to calculate turbulent fluxes and evaporation rates on any rocky body with an atmosphere.

A photo image of Mars Simulation Chamber
Posted inEditors' Highlights

Salty Soil May Release Methane on Mars

by Yasuhito Sekine 5 April 20244 April 2024

Through roving and drilling, Mars Curiosity Rover may be breaking up the ground’s salty, hardened soils that seal methane, possibly causing a temporal, local methane spike.

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