The wide strip of land in Utopia Planitia imaged by Mars Express. The dark volcanic material is on the right, while grabens ...

For half a century, something has been darkening one of the largest plains on Mars. The European Space Agency revealed in ...

A dark patch in Mars' Utopia Planitia region has grown significantly since it was first photographed in 1976. Scientists have ...

And yet, in just 50 years, we've noticed some pretty big changes happening on Utopia Planitia, which was possibly once part ...

The European Space Agency has compared new Mars Express images with NASA Viking orbiter photos from 1976, revealing dark ...

Perceptible geological changes on the surface of Mars are usually measured on timescales spanning millions of years, a pace ...

New images from Europe's Mars Express spacecraft reveal ancient volcanic ash spreading across the Red Planet, indicating its ...

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

The ground looks gently rippled and worn, with subtle colour variations giving the surface a mottled, almost velvet-like ...

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

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

New images from the European Space Agency reveal a puzzling dark blight spreading rapidly across Mars' Utopia Planitia basin, ...