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Mars

We are in the middle of solar cycle 25, which means that the Sun has been slowly ramping up its sunspot and flare activity for the past few years.
Posted inFeatures

11 Discoveries Awaiting Us at Solar Max

Kimberly M. S. Cartier, News Writing and Production Intern for Eos.org by Kimberly M. S. Cartier 25 August 202230 September 2022

Each solar cycle might seem like the same old story, but one thing has changed significantly since the previous solar maximum–our technology.

Satellite image of ancient lava flows on Mars
Posted inNews

This One Simple Trick Helps Us Understand How Much Water Is in Martian Lavas

Erik Klemetti, Science Writer by Erik Klemetti 24 August 202216 September 2022

Understanding how much water is in Martian magma is vital for understanding whether the Red Planet had seas in its early history.

A collage of Martian valley networks superimposed with channels on Earth. The shapes of the channels appear to be almost identical.
Posted inNews

Martian Glaciers May Have Carved Its Valleys

Nola Taylor Redd, Science Writer by Nola Taylor Tillman 2 August 20222 August 2022

Networks of valleys provide puzzling hints of running water on the surface of the Red Planet. New research suggests that some tributaries could have formed from icy sheets thousands of meters thick.

Jacqueline Campbell in a lab with a sample in hand, ready to observe it under a microscope.
Posted inFeatures

Jacqueline Campbell: Studying Oceans from Above

by Jure Japelj 25 July 202225 July 2022

Planetary scientist studies oceans with a combination of laboratory work and satellite imagery.

Vashan Wright smiles at the camera, giving a double thumbs up.
Posted inFeatures

Vashan Wright: A Champion for DEI in the Geosciences

by Santiago Flórez 25 July 202216 August 2022

While studying tectonic plates and sand, Wright works on a program to make the geosciences more equitable.

Two satellite photos of the Lut Desert with arrows depicting wind-driven transport routes of sediment.
Posted inEditors' Highlights

A Unique Glimpse at Sediment Erosion and Deposition by Wind

by Valeriy Ivanov 21 July 202221 July 2022

The Lut Desert in Iran is an exceptional natural laboratory to study how wind moves sediment across the landscape. A new study quantifies erosional and depositional sediment fluxes of the desert.

A small fragment of rock, part of a meteorite from the planet Mars.
Posted inNews

Flipping the Sequence of Martian Formation

Damond Benningfield, Science Writer by Damond Benningfield 15 July 202219 July 2022

Analysis of the Chassigny meteorite suggests the planet acquired most of its interior volatiles from meteorites, not from the solar nebula.

An artist’s rendering of InSight on the surface of Mars
Posted inResearch Spotlights

Constraining Martian Crustal Thickness with InSight Seismology

by Morgan Rehnberg 12 July 202212 July 2022

The first seismic observations from Mars significantly reduce uncertainty in estimates of the Red Planet’s crustal structure.

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.

Posts pagination

Newer posts 1 … 8 9 10 11 12 … 27 Older posts
Over a dark blue-green square appear the words Special Report: The State of the Science 1 Year On.

Features from AGU Publications

Research Spotlights

InSight into Seismology on the Red Planet

21 October 202621 October 2026
Editors' Highlights

The Geomagnetic Polarity Time Scale Revisited Once Again

22 October 202622 October 2026
Editors' Vox

Opening Access to Earth Observation Data for Disaster Mitigation

21 October 202620 October 2026
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