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Mars

Laguna Caliente in Costa Rica
Posted inNews

Scientists Discover an Environment on the Cusp of Habitability

Katherine Kornei, Science Writer by Katherine Kornei 25 May 201824 February 2022

A volcanically heated Costa Rican lake hosts only one type of organism, suggesting that its Mars-like environment is just barely capable of supporting life.

Mars InSight sitting on the Martian surface with the inner solar system planets in the background
Posted inNews

New Lander en Route to Probe the Red Planet’s Interior

Kimberly M. S. Cartier, News Writing and Production Intern for Eos.org by Kimberly M. S. Cartier 7 May 20182 July 2025

The Mars InSight mission aims to answer key planetary science questions about seismicity, meteorite impacts, and the formation of rocky planets.

Gale Crater on Mars
Posted inNews

History of Mars’s Water, Seen Through the Lens of Gale Crater

by R. Skibba 5 April 20183 January 2023

Research uncovers more of Mars’s past, when flowing water may have been transient before eventually disappearing.

Spatter bombs
Posted inNews

Homemade “Spatter Bombs” Can Reveal Volcanic Secrets

JoAnna Wendel, freelance science writer and illustrator by JoAnna Wendel 23 March 201815 November 2022

Researchers use trial and error to develop a technique to create volcanic lava bombs.

Posted inEditors' Highlights

Long Term Preservation of Subsurface Ice on Mars

by Steven A. Hauck, II 14 February 201828 January 2022

Layered-ejecta craters on Mars that are associated with impacts into rock mixed with volatiles have been formed throughout the planet’s history indicating the long-term preservation of subsurface ice.

Researchers examine mudstone in Mars’s Gale crater to unravel the history of liquid surface water
Posted inResearch Spotlights

History of Water on Mars’s Surface Is Longer Than We Thought

by Terri Cook 2 February 20183 January 2023

Curiosity’s two-step heating experiment of mudstone at Gale crater reveals minerals that formed in the presence of water less than 3 billion years ago.

An artist’s conception of a portable Martian greenhouse currently being developed at NASA.
Posted inNews

Tests Indicate Which Edible Plants Could Thrive on Mars

Kimberly M. S. Cartier, News Writing and Production Intern for Eos.org by Kimberly M. S. Cartier 12 January 201815 November 2023

An undergraduate experiment grew vegetables and herbs in simulated Martian soil under Mars-like reduced daylight. The tasty results suggest that Mars colonists could farm their own produce.

Posted inEditors' Highlights

Where the Solar Wind Meets Mars

by Michael W. Liemohn 12 January 201812 October 2022

A comprehensive look at how the solar wind is diverted around Mars, including the relative strength of the three biggest forces at work in this region.

A lidar image of mysterious features on Earth called a Carolina Bays.
Posted inNews

Four Planetary Landscapes That Scientists Can’t Explain

JoAnna Wendel, freelance science writer and illustrator by JoAnna Wendel 11 December 201711 April 2023

These are just a handful of the hundreds of mysterious features across our solar neighborhood that beg to be studied closer.

Posted inEditors' Highlights

Where Did the Water Go on Mars?

by Andrew Yau 28 November 20174 May 2022

Primordial solar storm conditions are believed to have significantly enhanced the loss of water and other atmospheric volatiles in Mars’ history.

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Features from AGU Publications

Research Spotlights

More Bubbles Means More Variation in Ocean Carbon Storage

8 July 20258 July 2025
Editors' Highlights

Scientists Face Limitations Accessing Seafloor Information

9 July 20258 July 2025
Editors' Vox

Water Tracks: The Veins of Thawing Landscapes

25 June 202525 June 2025
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