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Mars

Researchers investigate the layers of ice and dust at Mars’s north pole.
Posted inResearch Spotlights

How Mars Got Its Layered North Polar Cap

by E. Underwood 8 February 201711 February 2017

Orbital wobbling shaped the dome of ice and dust at the planet's north pole.

Researchers simulate the heat that flows through Mar’s interior to aid a future lander.
Posted inResearch Spotlights

Martian Mantle Models Pave the Way for NASA's InSight Lander

by Mark Zastrow 23 January 201722 June 2022

The most detailed simulations to date of how heat flows through Mars's interior are good news for the upcoming lander and will help scientists interpret its data.

Artist’s conception of the instrument mast for NASA's Mars 2020 rover.
Posted inScience Updates

Seeking Signs of Life and More: NASA’s Mars 2020 Mission

by K. A. Farley and K. H. Williford 11 January 201728 September 2021

The next Mars rover will be able to land near rugged terrain, giving scientists access to diverse landscapes. It will also cache core samples, a first step in the quest to return samples to Earth.

Mars with polar ice.
Posted inNews

Freezing Mars's Core—in the Lab

by Y. Saplakoglu 16 December 201615 March 2022

Mars's core, widely thought to be at least partially molten, may eventually solidify completely, and researchers have turned to lab experiments to find out how.

Schiaparelli-lander-crash-Mars
Posted inNews

Schiaparelli Lander Likely Crash-Landed on Mars

by JoAnna Wendel 21 October 201621 October 2016

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

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

by Sarah Stanley 30 September 201630 September 2016

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

by S. Hall 13 September 201613 September 2016

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

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?

by Sarah Stanley 26 August 2016

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

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