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Mars

Posted inEditors' Highlights

Extreme Space Conditions at Mars: The 10 Largest Electron Events

by Michael W. Liemohn 1 October 201826 October 2021

A solar cycle of data was scoured for the biggest electron energy fluxes seen in the Mars space environment.

Image of part of the Cerberus Fossae fault, taken by the HiRISE instrument aboard the Mars Reconnaissance Orbiter.
Posted inResearch Spotlights

Searching for Signs of Marsquakes

Kate Wheeling, freelance science writer by Kate Wheeling 28 August 201828 July 2022

Researchers use high-resolution images of Mars’s surface to look for signals of coseismic displacement.

Researchers find evidence of regional deposition in Mars’s south polar deposits
Posted inResearch Spotlights

Evidence of Regional Deposition in Mars’s South Polar Deposits

by Terri Cook 13 August 20188 August 2022

Shallow Radar correlation of discrete units in one of the Red Planet’s largest ice reservoirs suggests that its material was emplaced as a single, regional deposit.

Researchers analyze rocks from Mars’s Gale crater to see whether the conditions under which they formed were really as Earthlike as previously believed.
Posted inResearch Spotlights

Is Mars Not So Earthlike After All?

by E. Underwood 16 July 20183 January 2023

Light-colored Gale crater rocks could have formed from intraplate volcanoes, not continental crust, new study finds.

Researchers analyze traces of volcanic activity and water flooding in Hrad Vallis on Mars
Posted inResearch Spotlights

Tracing the Steps of Hydrothermal Activity in Hrad Vallis, Mars

by S. Witman 10 July 201810 October 2021

Conditions that formed Amazonian age valleys may have been hospitable to microbial life.

The 10 September 2017 X class solar flare in ultraviolet light.
Posted inNews

Solar Flare Caused Increased Oxygen Loss from Mars’s Atmosphere

Kimberly M. S. Cartier, News Writing and Production Intern for Eos.org by Kimberly M. S. Cartier 4 June 201820 December 2022

Measurements by a Mars-orbiting spacecraft indicated heating and chemistry changes in the planet’s atmosphere following an extreme solar eruption last year.

Laguna Caliente in Costa Rica
Posted inNews

Scientists Discover an Environment on the Cusp of Habitability

Katherine Kornei, Science Writer by Katherine Kornei 25 May 201824 February 2022

A volcanically heated Costa Rican lake hosts only one type of organism, suggesting that its Mars-like environment is just barely capable of supporting life.

Mars InSight sitting on the Martian surface with the inner solar system planets in the background
Posted inNews

New Lander en Route to Probe the Red Planet’s Interior

Kimberly M. S. Cartier, News Writing and Production Intern for Eos.org by Kimberly M. S. Cartier 7 May 201822 June 2022

The Mars InSight mission aims to answer key planetary science questions about seismicity, meteorite impacts, and the formation of rocky planets.

Gale Crater on Mars
Posted inNews

History of Mars’s Water, Seen Through the Lens of Gale Crater

by R. Skibba 5 April 20183 January 2023

Research uncovers more of Mars’s past, when flowing water may have been transient before eventually disappearing.

Spatter bombs
Posted inNews

Homemade “Spatter Bombs” Can Reveal Volcanic Secrets

JoAnna Wendel, freelance science writer and illustrator by JoAnna Wendel 23 March 201815 November 2022

Researchers use trial and error to develop a technique to create volcanic lava bombs.

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