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

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 ...

The findings are based on analysis from NASA's Insight Lander, which has recorded seismic vibrations from deep inside the Red ...

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

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

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

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

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

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

A new analysis of Mars' gravitational field has revealed hidden structures buried beneath the remains of an ancient ocean.

Scientists suggest the salt deposits could house ancient bacteria from an era when Mars may have had an environment conducive ...