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

Is there water on Mars? Scientists using archive ... the entire planet in an ocean about a mile deep. Actual surface oceans on Mars are thought to have disappeared more than three billion years ...

But that wet period ended more than 3 billion years ago, after Mars lost its atmosphere. Planetary scientists on Earth have sent many probes and landers to the planet to find out what happened to that ...

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

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 ...

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

The findings, published Aug. 12 in Proceedings of the National Academy of Sciences, hint at sufficient water to fill oceans and globally cover Mars to a depth of over a mile (1 to 2 kilometers).

A year and a half after the end of its mission, NASA’s InSight Mars lander may have just helped scientists find enough water to fill an ocean. Deep beneath NASA’s InSight lander (RIP InSight ...

When you buy through links on our articles, Future and its syndication partners may earn a commission. Enough water to cover the surface of Mars has been discovered within the crust of the Red ...

Scientists know that millions of years ago, Mars was covered in oceans, but the planet lost its water over time and now has virtually no liquid water on its surface. Now, though, researchers have ...

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 this week are based on ...