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Mars

Clouds from a dust storm in Mars's atmosphere..
Posted inResearch Spotlights

Mars's Atmosphere Matches Earth's Turbulent Nature

by Mark Zastrow 9 November 201616 September 2022

Mars is even more like Earth than we thought, according to a statistical analysis of the planet's swirling atmosphere.

Schiaparelli-lander-crash-Mars
Posted inNews

Schiaparelli Lander Likely Crash-Landed on Mars

JoAnna Wendel, freelance science writer and illustrator by JoAnna Wendel 21 October 201617 January 2023

After its thrusters shut off prematurely, the European Space Agency's newest lander probably crash-landed from 2–4 kilometers above the surface.

ESA-Exomars-orbiter
Posted inNews

European-Russian Mission Reaches Mars: Lander’s Fate Yet Unknown

JoAnna Wendel, freelance science writer and illustrator by JoAnna Wendel 20 October 201628 February 2022

Although the mission’s lander might not have survived, the new Trace Gas Orbiter spacecraft will explore clues that may indicate extraterrestrial life.

water-valleys-show-climate-Mars-warm-wet-later
Posted inResearch Spotlights

Mars’s Climate May Have Been Wet Much Later Than Thought

Sarah Stanley, Science Writer by Sarah Stanley 30 September 201628 July 2022

Water-carved valleys may be relatively young, challenging assumptions about the history of the Red Planet's climate.

Artist’s conception of a lush, early Mars (left) compared to arid, present-day Mars.
Posted inNews

A Flip-Flopping Climate Could Explain Mars's Watery Past

Shannon Hall by S. Hall 13 September 201624 April 2023

A new hypothesis might reconcile two opposing theories that have tried to explain Mars's mysterious history for more than 40 years.

NASA’s next Mars lander, InSight.
Posted inNews

Delayed Launch Approved for Next Mars Mission

JoAnna Wendel, freelance science writer and illustrator by JoAnna Wendel 2 September 201622 June 2022

NASA has set a new 2018 launch date for a spacecraft to probe the Red Planet's interior, after instrument failure hobbled preparations for the mission.

orbiter-data-shows-frost-not-liquid-water-helped-Martian-gullies-formation
Posted inResearch Spotlights

How Do Gullies Form on Mars?

Sarah Stanley, Science Writer by Sarah Stanley 26 August 201628 July 2022

New orbiter data support an important role for seasonal frost—not liquid water—in the formation of Martian gullies.

CSalar-Grande-Basin-Chile-rock-minerals-clues-to-carbon-cycle-life-on-Mars
Posted inResearch Spotlights

Rocks in Chile Help Scientists Hunt for Life on Mars

by M. McKinnon 9 August 201612 April 2022

Investigating oxalate minerals in the Atacama Desert provides a terrestrial analogue to test techniques that could be used to study the carbon cycle in the cold deserts of Mars.

Curiosity-rover-mineral-samples-liquid-groundwater-oxygen-atmosphere-Mars
Posted inResearch Spotlights

Minerals Hint at Liquid Groundwater, More Oxygen in Mars's Past

Sarah Stanley, Science Writer by Sarah Stanley 5 August 20163 January 2023

Manganese deposits in Gale Crater fractures are similar to Earth features that usually require flowing water and highly oxidizing conditions.

The ancient megafloods that carved canyons on Earth and Mars may have been smaller—but lasted longer—than previously thought.
Posted inResearch Spotlights

Reconstructing Catastrophic Floods on Earth and Mars

Sarah Stanley, Science Writer by Sarah Stanley 26 July 201623 February 2023

A new theoretical model suggests that ancient floods that carved canyons on Earth and Mars may have been much smaller but lasted longer than previously thought.

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Features from AGU Journals

RESEARCH SPOTLIGHTS
Geophysical Research Letters
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By Sarah Derouin

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By Muki Haklay

EDITORS' VOX
Reviews of Geophysics
“What We Know and Don’t Know About Climate Tipping Elements”
By Seaver Wang

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