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Mars

Photo of NASA astronaut Jessica Watkins.
Posted inEditors' Vox

JGR: Planets Author Aboard the International Space Station

by Jessica Watkins, A. Deanne Rogers and John Grotzinger 7 July 20223 January 2023

NASA Astronaut and planetary geologist Dr. Jessica Watkins recently published her post-doctoral Mars research in JGR: Planets, just prior to heading to the International Space Station.

NASA’s InSight lander, covered in dust on Mars
Posted inNews

More Than Marsquakes: InSight Yielded Magnetism, Weather Discoveries

Ilima Loomis, Science Writer by Ilima Loomis 16 June 202217 June 2022

A secondary suite of instruments on the Mars lander produced a first look at magnetic fields from the planet’s surface.

A gold-colored spacecraft with large solar panels flies in front of Mars.
Posted inNews

Zhurong Rover Spots Evidence of Recent Liquid Water on Mars

Katherine Kornei, Science Writer by Katherine Kornei 14 June 20225 January 2023

The Chinese rover identified hydrated minerals—likely associated with groundwater—in sediments dating to the Red Planet’s most recent geologic period.

Artist’s impression of China’s Tianwen-1 spacecraft en route to Mars.
Posted inEditors' Highlights

First Solar Wind Plasma Observations from the Tianwen-1 Mission

by Limei Yan 6 May 20227 September 2022

Solar wind plasma data captured by the Tianwen-1 probe while in transit to Mars represent an important step toward a new era of cooperative Martian space exploration.

Simulation results showing the effective dose in mSv/year as a function of depth beneath the Martian surface.
Posted inEditors' Highlights

Life on Mars? Estimating Radiation Risks for Martian Astronauts

by Andrew Poppe 19 April 202221 December 2022

New research suggests that to minimize radiation risk for human exploration of Mars, astronauts will need to dig deep for safety.

An aerial image of the windswept surface of Mars. The ground is rusty red with blacker sediment curling across the image in the form of dunes. A dusting of white snow accentuates the ridges of large and small scale dunes.
Posted inNews

Mars’s Dust Cycle Controls Its Polar Vortex and Snowfall

Kimberly M. S. Cartier, News Writing and Production Intern for Eos.org by Kimberly M. S. Cartier 1 April 20221 April 2022

On Earth, the water cycle is a dominant climate force. On Mars, it’s the dust.

A view across the Amazon rain forest
Posted inAGU News

Dust in the Wind, Dirt Under Our Feet, and Dunes of Another World

Heather Goss, AGU Publisher by Heather Goss 23 March 202223 June 2022

In our April issue of Eos, we follow researchers who get to the root of the Amazon basin’s rich landscape.

An impact on the surface of Mars creates a shower of debris.
Posted inNews

Martian Meteorites Reveal Evidence of a Large Impact

Katherine Kornei, Science Writer by Katherine Kornei 15 March 202215 March 2022

By analyzing rare Martian meteorites, researchers have uncovered a crystalline structure created by a large asteroid or comet impact that potentially affected the Red Planet’s habitability.

Simulation of ions escaping the Martian atmosphere
Posted inResearch Spotlights

测量火星大气中的碳离子损失

by Morgan Rehnberg 10 March 202210 March 2022

NASA的MAVEN探测器观测到的碳通量与模型相符,比氧离子低1到2个数量级。

Detailed image shows sculpted layers of ice at Mars’s south pole.
Posted inNews

The Bumpy Search for Liquid Water at the South Pole of Mars

Damond Benningfield, Science Writer by Damond Benningfield 8 March 20228 March 2022

Studies since 2018 have provided competing explanations of bright radar reflections from the base of the south polar ice cap.

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