Researchers have identified what they believe could be oceans' worth of water on Mars. There's just one snag: it's deep ...

Billions of years ago, the Red Planet was covered in oceans and rivers, but water dried up in an extreme climactic shift. Now ...

Newly released images of Mars reveal a "smiley" salt deposit on the Red Planet's surface. A related study suggests that ...

A new study suggests Mars may be drenched beneath its surface, with enough water hiding in the cracks of underground rocks to ...

Running those numbers, Clarke and his co-authors estimate that of the mile-deep layer of water that may once have been the ...

New research presented at the Europlanet Science Congress this week has uncovered astonishing findings beneath the dusty ...

The image above shows a striking cloud pattern sculpted by gravity waves, which are common ripples in both Mars' and Earth's ...

The European Space Agency has found a “smiley” face on the surface of Mars — and the joy-sparking pattern could be a sign of ...

Stunning new images from the ExoMars orbiter reveal ancient salt deposits on Mars, even forming a smiley face.

MARS may be drenched beneath its surface, with enough water hiding in the cracks of underground rocks to form a global ocean, ...

Studies of gravity variations at Mars have revealed dense, large-scale structures hidden beneath the sediment layers of a ...

Mars experiences faster water loss when it nears the Sun, with Hubble and MAVEN showing seasonal variations linked to the ...