• About
  • Sections
  • Topics
    • Climate
    • Earth Science
    • Oceans
    • Space & Planets
    • Health & Ecosystems
    • Culture & Policy
    • Education & Careers
    • Opinions
  • Projects
    • ENGAGE
    • Editors’ Highlights
    • Editors’ Vox
    • Eos en Español
    • Eos 简体中文版
    • Print Archive
  • Science Policy Tracker
  • Blogs
    • Research & Developments
    • The Landslide Blog
  • Newsletter
  • Submit to Eos
  • AGU.org
  • Career Center
  • Join AGU
  • Give to AGU
  • About
  • Sections
  • Topics
    • Climate
    • Earth Science
    • Oceans
    • Space & Planets
    • Health & Ecosystems
    • Culture & Policy
    • Education & Careers
    • Opinions
  • Projects
    • ENGAGE
    • Editors’ Highlights
    • Editors’ Vox
    • Eos en Español
    • Eos 简体中文版
    • Print Archive
  • Science 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
  • Sections
  • Topics
    • Climate
    • Earth Science
    • Oceans
    • Space & Planets
    • Health & Ecosystems
    • Culture & Policy
    • Education & Careers
    • Opinions
  • Projects
    • ENGAGE
    • Editors’ Highlights
    • Editors’ Vox
    • Eos en Español
    • Eos 简体中文版
    • Print Archive
  • Science Policy Tracker
  • Blogs
    • Research & Developments
    • The Landslide Blog
  • Newsletter
  • Submit to Eos

Mars

Black-and-white oblique view of an ancient delta on Mars’s surface taken by a satellite
Posted inResearch Spotlights

Optimizing Carbonate Classification on Mars

Sarah Derouin, Science Writer by Sarah Derouin 7 September 20237 September 2023

Combining data from several of the Perseverance rover’s spectroscopic sensors offers a more accurate means to classify carbonate minerals that may hold hints of ancient life.

An artificially colorized view of a rocky valley between two hills on Mars, with part of the Curiosity rover visible at bottom. The right portion of the image, under blue sky, represents the scene in the morning, and the left portion, under yellow sky, the afternoon.
Posted inResearch Spotlights

Mars Has Far Fewer Minerals Than Earth Does

Rachel Fritts, Science Writer by Rachel Fritts 6 September 20236 September 2023

The development of plate tectonics and life on Earth provided avenues for mineral evolution that did not occur on Mars, resulting in relatively limited mineral diversity on the Red Planet.

Roughly 20 people stand amid sand dunes under a clear blue sky and near a metal framework equipped with scientific instruments.
Posted inScience Updates

The Nitty-Gritty Forces That Shape Planetary Surfaces

by Brian Jackson, Serina Diniega, Timothy Titus, Alejandro Soto and Edgard Rivera-Valentin 15 June 202315 June 2023

Scientists are coming up with ingenious ways to compare terrestrial sand dunes, dust storms, and rain with their counterparts on Mars and Titan.

A close-up of a smooth gray semispherical body in space with a red spherical body in the background
Posted inNews

Tiny Martian Moon May Be a Chip Off the Old Block

Javier Barbuzano, Science Writer by Javier Barbuzano 2 June 20232 June 2023

A close approach to Deimos reveals that its surface does not look like that of an asteroid, hinting at a Martian origin.

Black and white photo of particles and a bar graph.
Posted inEditors' Highlights

Dust in the (Martian) Wind

by Laurent G. J. Montési and Germán Martinez 31 May 202330 May 2023

The InSight Lander, on Mars, intentionally dumped sand over its seismic instrument’s tether and the wind sorted the particles by size as it blew them away.

Photos of Martian meteorite NWA 7034.
Posted inEditors' Highlights

Hand Magnets Destroy the Magnetic Record of Meteorites

by Laurent G. J. Montési and Sonia Tikoo 30 May 202324 May 2023

Meteorite collectors often use strong magnets for classification, but this approach destroys crucial evidence of processes active in the early solar system.

A view of a low cliff on Mars, showing different layers of rocks
Posted inResearch Spotlights

A New Origin Story for Mars’s Burns Formation

by Morgan Rehnberg 3 May 20233 May 2023

The Red Planet’s Grasberg and Burns formations have different compositions today, but they may have started out the same way.

Imagen de satélite de un paisaje café y gris con colinas y cerros.
Posted inNews

(Probablemente) No podremos decir si Marte tiene vida

by Matthew R. Francis 1 May 20233 May 2023

Los equipos de última generación no siempre pueden identificar la vida que habita en los lugares más parecidos a Marte en la Tierra, lo que hace que los científicos se pregunten cómo se se podría hacer mejor en el Planeta Rojo.

A satellite image of the surface of Mars showing snaking channels and other water-sculpted features
Posted inNews

Asteroid Impacts Could Have Warmed Ancient Mars

Katherine Kornei, Science Writer by Katherine Kornei 17 April 202317 April 2023

Hydrogen released during large impacts might have boosted Mars’s surface temperature above freezing for thousands or even millions of years, enabling liquid water to flow over the Red Planet.

Photos of rocks on Mars.
Posted inEditors' Highlights

Martian Rocks May Record Ancient Wind Directions

by Scott Guzewich 14 March 20236 March 2023

Mars 2020 Perseverance Rover images of abraded surface rocks may retain records of ancient wind directions, providing important ground-truth to our understanding of Mars’ recent climate history.

Posts pagination

Newer posts 1 … 3 4 5 6 7 … 24 Older posts
A view of a Washington, D.C., skyline from the Potomac River at night. The Lincoln Memorial (at left) and the Washington Monument (at right) are lit against a purple sky. Over the water of the Potomac appear the text “#AGU24 coverage from Eos.”

Features from AGU Publications

Research Spotlights

Machine Learning Simulates 1,000 Years of Climate

27 August 202527 August 2025
Editors' Highlights

Quantifying Predictability of the Middle Atmosphere

5 September 20255 September 2025
Editors' Vox

Experienced Researcher Book Publishing: Sharing Deep Expertise

3 September 202526 August 2025
Eos logo at left; AGU logo at right

About Eos
ENGAGE
Awards
Contact

Advertise
Submit
Career Center
Sitemap

© 2025 American Geophysical Union. All rights reserved Powered by Newspack