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

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

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

The Mars Express orbiter launched to the Red Planet. Twenty years later, ESA has delivered a high resolution color image of ...

Mars may look like a quiet, dusty world, but it’s actually buzzing with hidden electrical activity. Powerful dust storms and ...

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