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Mars

Artwork by Anastasia Grigoryeva depicting solar wind as it affects the Martian atmosphere
Posted inResearch Spotlights

How Mars Lost Steam

by E. Underwood 11 April 2019

Solar winds are not the main culprit in stripping the planet’s atmosphere, a new study suggests.

An artist’s rendering of what Mars may have looked like 4 billion years ago with an ocean covering about half of its surface
Posted inResearch Spotlights

A New Way to Analyze Evidence of Martian Oceans

by Elizabeth Thompson 9 April 2019

Mars’s aqueous past holds the answers to many questions about the Red Planet. A new study provides a tool for scouring planetary surfaces for ancient shorelines.

Laboratory experiment used to simulate the shock wave made by an asteroid impact on Mars
Posted inResearch Spotlights

Rover and Lasers Unlock Clues to Early Martian Atmosphere

by Aaron Sidder 3 April 2019

Sediments from the Curiosity rover and experiments using tanks of gas and laser beams helped reveal how water continued to flow on Mars after the planet lost its atmospheric carbon dioxide.

An artist’s rendering of the Mars Express spacecraft
Posted inResearch Spotlights

The Accidental Particle Accelerator Orbiting Mars

by Mark Zastrow 3 April 201920 October 2021

The radar aboard the Mars Express spacecraft can generate ion beams arcing through space above the planet, which could lead to a new way of studying the plasma surrounding it.

Illustration of a NASA Mars Exploration Rover on the surface of Mars
Posted inOpinions

Rest in Peace, Spirit and Opportunity

by R. Anderson 28 March 201928 September 2021

A scientist on the rover team offers a remembrance of two intrepid explorers.

Jezero Crater River Delta on Mars
Posted inNews

What Ancient Rivers on Mars Reveal About Its “Great Drying”

by Jenessa Duncombe 27 March 201928 September 2021

Dried-up rivers on Mars suggest that the planet was wet in the not-too-distant past.

Perspective view of Mars’s south polar ice cap
Posted inResearch Spotlights

Local Heat Source Needed to Form Liquid Water Lake on Mars

by Terri Cook 12 March 201910 March 2022

Thermal modeling suggests that active magmatism in the past few hundred thousand years could account for the presence of a large lake previously hypothesized beneath the Red Planet’s southern ice cap.

The Opportunity rover on Mars
Posted inNews

Opportunity Rover Mission Complete

by Kimberly M. S. Cartier 13 February 20196 May 2019

The rover explored Mars’s surface for nearly 15 years and discovered ample evidence of the planet’s wet history.

Rosalind Franklin, the upcoming rover in Europe’s ExoMars mission
Posted inNews

Future Mars Rover Named for DNA Pioneer Rosalind Franklin

by Kimberly M. S. Cartier 7 February 201928 September 2021

The rover will explore a once water rich region on Mars’s surface and search for evidence of current and past life.

A view of Yellowknife Bay in Mars’s Gale crater
Posted inResearch Spotlights

Researchers Bring Early Martian Water Chemistry to Life

by Sarah Stanley 25 January 20197 March 2022

Lab experiments constrain conditions necessary for a key mineral to have formed in ancient lagoons and a crater lake.

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