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

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

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

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

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 ...

Scientists explore Mars water loss, tracing hydrogen and deuterium escape with advanced space telescopes like MAVEN and ...

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

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