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Mars

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

by Sarah Stanley 26 July 201629 July 2016

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.

A computer-generated rendition of NASA’s Mars 2020 rover.
Posted inNews

Precision Landing Will Be Key to NASA's Mars 2020 Rover

by A. Coombs 21 July 201631 March 2022

Landing robotics distinguish the craft from past models, allowing researchers to target smaller flat areas that are surrounded by rock.

Carbon dioxide frost presence at sunrise on Mars integrated over 1 year; note CO2 frost at low latitudes.
Posted inResearch Spotlights

Carbon Dioxide Frost May Keep Martian Soil Dusty

by David Shultz 8 July 2016

Temperature readings acquired from orbit show that Mars's surface gets cold enough at night to allow layers of solid carbon dioxide frost up to several hundred micrometers thick to build up near the equator.

800-meter-tall dust devil above northern Mars.
Posted inResearch Spotlights

A (Dust) Devil of a Time—on Mars

by Sarah Stanley 23 June 201621 March 2022

New computer simulations of Martian dust devils could aid Red Planet weather forecasts.

Mars colony in The Space Between Us
Posted inNews

As Mars Gets Close, So Does a Blitz of Red Planet Dramas

by Randy Showstack 27 May 201627 May 2016

NASA's first Mars program director advised the creators of the new film The Space Between Us, which opens this summer, on the science related to Mars colonization.

Artist's concept of a rover on the Martian surface.
Posted inAGU News

How on Earth to Decide Where on Mars to Land?

by C. Wilson 25 May 201625 May 2016

The Public Lecture at AGU's 2016 Fall Meeting will feature three experts—including one still in high school—to discuss landing site selection for the Mars 2020 rover.

Artist's rendering of NASA's MAVEN spacecraft, which observes interactions between the solar wind and the upper atmosphere of Mars.
Posted inResearch Spotlights

Mysterious Heavy Ion Beams Above Mars Explained

by Mark Zastrow 20 May 20164 May 2022

NASA's latest mission to Mars has uncovered the origins of fast-moving streams of particles high above the planet, flowing against the solar wind.

Thermal image showing elevated ice-rich lobes likely deposited by the second of two tsunamis suspected to have inundated Martian shorelines billions of years ago.
Posted inNews

Tsunamis Splashed Ancient Mars

by S. Hall 19 May 201628 January 2022

Massive meteorites likely slammed into a Martian ocean billions of years ago, unleashing tsunami waves up to 120 meters tall, a close study of a region of the Red Planet's terrain has found.

Unnamed crater in eastern Hesperia Planum, Mars.
Posted inResearch Spotlights

Martian Carbonates Spotted by the Orbiter

by Kate Wheeling 3 May 201624 February 2022

The minerals identified by the Mars Reconnaissance Orbiter provide more evidence that the planet may have once been habitable.

This relatively recent impact crater photographed last year spans a little more than a kilometer in the Sirenum Fossae region of Mars.
Posted inNews

Impacts Might Have Made Ancient Mars Briefly Hospitable to Life

by S. Hall 28 April 201628 January 2022

A bombardment of the Red Planet 4 billion years ago could have created hot springs that allowed life to flourish.

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