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Mars

Inspecting mine drainage in a river
Posted inEditors' Vox

Using Hematite to Decipher Past Climates and Environments

by Zhaoxia Jiang, Qingsong Liu, Andrew Roberts, Mark J. Dekkers, Vidal Barrón, José Torrent and Sanzhong Li 7 February 202220 April 2022

The magnetic and color properties of the mineral hematite give clues to past environmental conditions and is being used for paleoclimatic reconstruction.

Dry Falls located at the head of Grand Coulee
Posted inResearch Spotlights

Western U.S. “Megafloods” Might Not Have Been So Mega

by Rebecca Dzombak 3 February 20223 February 2022

The flooding that carved eastern Washington State 20,000 to 12,000 years ago could have been 80% smaller than the canyons’ volume today.

Martian meteorite ALH84001 shown with a 1-centimeter cube for scale
Posted inNews

A New Explanation for Organics on a Mars Rock That Fell to Earth

by Derek Smith 26 January 20228 March 2022

Organic molecules on a Martian meteorite have fueled nearly 30 years of scientific debate. New evidence suggests they were formed by Martian processes, offering more support for a once habitable environment on the Red Planet.

A selfie of NASA’s Curiosity rover, in the northwestern part of Gale crater
Posted inResearch Spotlights

Scientists Turn Back Time to Track Methane Emissions on Mars

by JoAnna Wendel 14 January 202224 February 2022

Period spikes of methane on Mars could originate inside Gale crater, where NASA’s Curiosity rover is currently exploring.s

An image of lake-floor sedimentary deposits from Mars’s Gale crater
Posted inResearch Spotlights

Machine Learning Algorithms Help Scientists Explore Mars

by JoAnna Wendel 12 January 202212 January 2022

Researchers applied machine learning algorithms to several distinct chemical compositions of Mars and suggest that these algorithms could be a powerful tool to map the planet’s surface on a large scale.

Satellite view of frosty sand dunes on Mars
Posted inScience Updates

Planetary Dunes Tell of Otherworldly Winds

by Timothy N. Titus, Serina Diniega, Lori K. Fenton, Lynn Neakrase and James Zimbelman 22 December 202116 February 2022

On Earth and throughout our solar system, ripples and dunes in sand and dust offer insights into how winds blow, liquid currents flow, and solid particles fly and bounce over the terrain.

Close-up of the Artemis Gateway in front of the Moon.
Posted inNews

NASA Prepares Its Artemis Gateway to Orbit the Moon

by Jude Coleman 9 December 202113 December 2021

Throughout its anticipated 15-year tour of duty, the Gateway will serve as a station for astronauts and lunar landers—and enable new scientific discovery.

A Mars rover beside a rock with two holes drilled into it
Posted inNews

Scientists Plan a Home Away from Home for Mars Samples

by Damond Benningfield 8 December 202121 March 2022

The core tubes being collected by the Perseverance rover won’t arrive for years, but NASA and the European Space Agency are outlining needs for a facility to assess their safety and store and distribute them.

Detail from Eos Mars poster
Posted inNews

Mars from the InSight Out

by Kimberly M. S. Cartier 22 November 202122 June 2022

There’s a seismometer on Mars, and it’s been busy! Download our free illustrated poster.

Painting depicting the surface of Earth during the Hadean eon, with a liquid water ocean, volcanoes, and meteors streaking through the sky
Posted inScience Updates

A Simple Recipe for Making the First Continental Crust

by Anastassia Y. Borisova and Anne Nédélec 5 November 202116 May 2022

Laboratory experiments serendipitously revealed a rock-forming process that might explain how the first continental crust formed on Earth—and possibly on Mars.

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From AGU Journals

MOST SHARED
Geophysical Research Letters
“Thermal and Illumination Environments of Lunar Pits and Caves: Models and Observations from the Diviner Lunar Radiometer Experiment”
By Tyler Horvath et al.

HIGHLY CITED
JGR Space Physics
“NRLMSISE-00 empirical model of the atmosphere: Statistical comparisons and scientific issues”
By J. M. Picone et al.

HOT ARTICLE
JGR Biogeosciences
“Cyanobacteria and Algae Meet at the Limits of Their Habitat Ranges in Moderately Acidic Hot Springs”
By Kristopher M. Fecteau et al.


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