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Mars

Selfie view of the Perseverance robotic rover sitting on the rocky, dusty surface of Mars, with some low hills and an orange-brown sky behind it.
Posted inScience Updates

The AI Upgrade Helping Perseverance Work Smarter on Mars

by Steve Chien, Raymond Francis and Dan Gaines 29 October 202629 October 2026

The rover’s On Board Planner software uses artificial intelligence to reduce wasted time and energy by making on-the-spot scheduling decisions.

A rocket flies diagonally across a blue sky.
Posted inNews

Twin Spacecraft Ready to Head for a Martian Escapade

Damond Benningfield, Science Writer by Damond Benningfield 27 October 202627 October 2026

A pair of probes have taken a circuitous path to Mars but are now ready to leave their “loiter” orbit for a 10-month cruise to the Red Planet.

A mottled red and blue surface with ridges, valleys, and cracks. The ridges sweep from top left to bottom right.
Posted inNews

Where Did Formaldehyde Rain Down on Mars? Almost Everywhere.

Kimberly M. S. Cartier, News Writing and Production Intern for Eos.org by Kimberly M. S. Cartier 22 October 202622 October 2026

More formaldehyde rained down in places that were already wet and favorable for prebiotic chemistry.

White space probe instruments and mechanical parts, with red Martian landscape behind.
Posted inResearch Spotlights

InSight into Seismology on the Red Planet

by Matthew R. Francis 21 October 202621 October 2026

Viking 2 detected two possible marsquakes in 1976. New analysis links one to the same region where InSight recorded nearly 1,000 marsquakes decades later.

Layers of ice in sand on Mars
Posted inOpinions

What We Could Lose by Trying to Make Mars Habitable

by Ari Koeppel, Lonneke Roelofs, Santiago Vrech, Alicia M. Rutledge and Martin Turbet 14 October 202627 October 2026

The rock, ice, and atmosphere of Mars hold a largely unread archive. Terraforming could erase it before the biggest scientific questions are answered.

A satellite with Mars in the background.
Posted inEditors' Highlights

Unveiling Atmospheric Circulation on Mars with Magnetic Field Data 

by Andrew Yau 3 September 20261 September 2026

Not only can the magnetometer on NASA’s MAVEN satellite track magnetic fields on Mars; it can also track atmospheric circulation – using machine learning.

Mars.
Posted inEditors' Highlights

The Magnetic Face of Plasma Irregularities on Mars

by Andrew Yau 25 August 202618 August 2026

Plasma density irregularity is nothing new on Mars, but the accompanying magnetic field irregularity observed on NASA’s MAVEN satellite is.

A landscape covered in solidified lava
Posted inNews

A Rare Look at How Life First Colonizes Cooling Lava Tubes

Javier Barbuzano, Science Writer by Javier Barbuzano 7 August 20262 November 2026

Life finds a way, and when volcanoes form new land, it gets going as soon as temperatures drop to manageable levels—even underground.

One large crater, containing a subcrater, and several smaller craters, speckle a portion of Mars’s surface.
Posted inResearch Spotlights

What Australian Lakes Showed Us About Martian Hydrology

by Saima May Sidik 27 July 202627 July 2026

Studying the hydrology of the Yilgarn Craton reveals how the Red Planet may have evolved.

An image of Mars shows reddish-brown rocks and dust. The tracks of the Perseverance rover make an impression on the surface.
Posted inResearch & Developments

Perseverance Spots Organic Matter on Mars

by Grace van Deelen 24 June 20262 October 2026

The Mars Perseverance rover has detected intact organic molecules near previously-described potential signatures of ancient life, according to a new study published today in Science Advances.

Posts pagination

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Over a dark blue-green square appear the words Special Report: The State of the Science 1 Year On.

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The Experiments Improving Our Understanding of Volcanic Tsunamis

12 November 202612 November 2026
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Disappearing Moon Craters

9 November 2026
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Announcing the New AGU Publications Editors-in-Chief Starting in 2027

6 November 20266 November 2026
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