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

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

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

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

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

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

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.

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

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

Studies on Mars have revealed hidden structures and dense areas beneath old ocean beds, influencing the volcanic activity of ...

Based on MAVEN's previous observations, Mars has lost enough water to space to form a GEL of between tens and hundreds of meters deep. Combined with the huge amount of water recently found buried ...