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Mars

The Opportunity rover on Mars
Posted inNews

Opportunity Rover Mission Complete

Kimberly M. S. Cartier, News Writing and Production Intern for Eos.org by Kimberly M. S. Cartier 13 February 201917 January 2023

The rover explored Mars’s surface for nearly 15 years and discovered ample evidence of the planet’s wet history.

A picture of Phobos, the larger of Mars’s two moons
Posted inResearch Spotlights

New Hints About How Martian Moons Formed

by E. Underwood 11 February 201928 July 2022

A new study finds that Phobos includes chunks of Martian crust.

Rosalind Franklin, the upcoming rover in Europe’s ExoMars mission
Posted inNews

Future Mars Rover Named for DNA Pioneer Rosalind Franklin

Kimberly M. S. Cartier, News Writing and Production Intern for Eos.org by Kimberly M. S. Cartier 7 February 201917 January 2023

The rover will explore a once water rich region on Mars’s surface and search for evidence of current and past life.

A view of Yellowknife Bay in Mars’s Gale crater
Posted inResearch Spotlights

Researchers Bring Early Martian Water Chemistry to Life

Sarah Stanley, Science Writer by Sarah Stanley 25 January 20193 January 2023

Lab experiments constrain conditions necessary for a key mineral to have formed in ancient lagoons and a crater lake.

Posted inEditors' Highlights

Thermal Signature of Martian River Deposits Suggests Cementation

by B. Pirenne 24 January 201910 March 2023

Are there indications of extended aqueous processes beyond the period of widespread fluvial activity on Mars?

Mars Express north polar plains
Posted inScience Updates

Updates on Understanding Mars’s Recent and Present-Day Climate

by Serina Diniega, I. Smith and A. Bramson 23 January 20198 August 2022

Mars Workshop on Amazonian and Present-day Climate; Lakewood, Colorado, 18–22 June 2018

Slope streaks on Mars
Posted inEditors' Vox

Revisiting Enigmatic Martian Slope Streaks

by A. Bhardwaj, L. Sam, F. J. Martín‐Torres and M-P. Zorzano 15 January 201921 June 2023

Slope streaks of different sizes and shapes are a common feature on the surface of Mars, but scientists disagree about the mechanisms for their formation and development.

Artist's rendering of explorers on Mars extracting water from subsurface ice deposits.
Posted inOpinions

The Mars Anthropocene

by A. G. Fairén 4 January 20192 November 2021

The idea of sending people to Mars has captured the public imagination, but have we fully considered how our presence will alter the planet?

Mars and WALL-E’s (MarCO-B) solar panel during flyby
Posted inNews

Hello, Goodbye: First Interplanetary CubeSats Zip Past Mars

Kimberly M. S. Cartier, News Writing and Production Intern for Eos.org by Kimberly M. S. Cartier 4 December 20182 July 2025

The InSight lander safely arrived on Mars early last week. Two tiny spacecraft made up part of its communications array and transmitted landing data back to Earth.

Jezero crater delta and its minerology
Posted inNews

Martian Crater Will Be the Landing Site for a Future Rover

Kimberly M. S. Cartier, News Writing and Production Intern for Eos.org by Kimberly M. S. Cartier 30 November 201817 January 2023

The impact crater is a dry lake bed that contains evidence of ancient water flows and perhaps signs of ancient microbial life.

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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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