Using seismic activity to probe the interior of Mars, geophysicists have found evidence for a large underground reservoir of liquid water—enough to fill oceans on the planet's surface.

Scientists have found evidence of enough liquid water on Mars to cover the entire planet with an ocean a mile deep, according ...

So - how did a mission that went to Mars to analyse marsquakes and seismic activity discover what may be an ocean's worth of water over 10 kilometres below the surface? The C-S-I-R-O's Glen Nagle ...

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

Although Mars lost its surface oceans billions of years ago, a new study from UC Berkeley suggests that there’s lots of water deep within the planet’s crust. After analyzing data gathered from ...

Mars may be drenched beneath its surface, with enough water hiding in the cracks of underground rocks to form a global ocean, new research suggests. The findings released Monday are based on ...

NASA’s MAVEN spacecraft, led by scientists at the University of Colorado Boulder, was supposed to operate for one year when ...

CAPE CANAVERAL, Fla. (AP) — Mars may be drenched beneath its surface, with enough water hiding in the cracks of underground rocks to form a global ocean, new research suggests. The findings ...