• About
  • Special Reports
  • Topics
    • Climate
    • Earth Science
    • Oceans
    • Space & Planets
    • Health & Ecosystems
    • Culture & Policy
    • Education & Careers
    • Opinions
  • Projects
    • Postcards From the Field
    • ENGAGE
    • Editors’ Highlights
    • Editors’ Vox
    • Eos en Español
    • Eos 简体中文版
    • Print Archive: 2015–2025
  • Policy Tracker
  • Blogs
    • Research & Developments
    • The Landslide Blog
  • Newsletter
  • Submit to Eos
  • AGU.org
  • Career Center
  • Join AGU
  • Give to AGU
  • About
  • Special Reports
  • Topics
    • Climate
    • Earth Science
    • Oceans
    • Space & Planets
    • Health & Ecosystems
    • Culture & Policy
    • Education & Careers
    • Opinions
  • Projects
    • Postcards From the Field
    • ENGAGE
    • Editors’ Highlights
    • Editors’ Vox
    • Eos en Español
    • Eos 简体中文版
    • Print Archive: 2015–2025
  • Policy Tracker
  • Blogs
    • Research & Developments
    • The Landslide Blog
  • Newsletter
  • Submit to Eos
Skip to content
  • AGU.org
  • Career Center
  • Join AGU
  • Give to AGU
Eos

Eos

Science News by AGU

Support Eos
Sign Up for Newsletter
  • About
  • Special Reports
  • Topics
    • Climate
    • Earth Science
    • Oceans
    • Space & Planets
    • Health & Ecosystems
    • Culture & Policy
    • Education & Careers
    • Opinions
  • Projects
    • Postcards From the Field
    • ENGAGE
    • Editors’ Highlights
    • Editors’ Vox
    • Eos en Español
    • Eos 简体中文版
    • Print Archive: 2015–2025
  • Policy Tracker
  • Blogs
    • Research & Developments
    • The Landslide Blog
  • Newsletter
  • Submit to Eos

Mars

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 202614 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 20266 August 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.

A photograph from the surface of Mars shows two insets zoomed in on rocks. The insets show the rocks with a rough texture and blue and gray colors.
Posted inResearch Spotlights

Carbon-Rich Rocks May Have Cooled the Ancient Martian Atmosphere

by Nathaniel Scharping 28 May 202628 May 2026

Data from the Perseverance rover indicate abundant carbonates in Jezero Crater, a finding with implications for Mars’s climatic history.

Orange and blue tinted waves with sunlight glinting off the surface.
Posted inNews

What Winds Whip Up Otherworldly Waves?

Kimberly M. S. Cartier, News Writing and Production Intern for Eos.org by Kimberly M. S. Cartier 21 May 202621 May 2026

New research goes back to the basics to explain how atmospheric conditions affect the creation of wind-driven waves on other worlds.

Posts pagination

1 2 3 … 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
Eos logo at left; AGU logo at right

About Eos
ENGAGE
Awards
Contact

Advertise
Submit
Career Center
Sitemap

© 2026 American Geophysical Union. All rights reserved Powered by Newspack