Volcanic ash is creeping across the surface of Mars with startling speed. The European Space Agency’s (ESA’s) Mars Express ...

Observations by the Mars Express orbiter reveal rapid changes on the Red Planet’s surface from windblown volcanic ash ...

Noticeable change on Mars often takes millions of years—but the European Space Agency's Mars Express has captured a blanket ...

A new image shows a striking contrast between Mars' desert-like terrain against dark deposits of volcanic ash.

NASA has approved work on ESA’s Rosalind Franklin Mars mission, set for a 2028 launch, aiming to search for signs of life ...

So why is NASA deciding which rocket will launch a flagship European Mars mission? It’s a long story involving the search for ...

By Will Dunham WASHINGTON, April 15 (Reuters) - There is a lot of evidence from orbiting satellites and surface rovers ...

There is a lot of evidence from orbiting satellites and surface rovers indicating that liquid water was present long ago on ...

Ancient ripple layers on Mars capture a single sandstorm, helping scientists estimate how dense the planet’s atmosphere once ...

Whenever humans arrive on Mars, they're going to find it a difficult place to exist. Mars is cold, with an average surface ...

The move strengthens collaboration between Nasa and the European Space Agency on the long-awaited Rosalind Franklin rover, ...

American space agency NASA said it selected the SpaceX Falcon Heavy rocket to launch ESA's Rosalind Franklin rover to Mars in ...