A recent discovery suggests Mars may have once had a much larger moon, which could have caused tides in a lake that once ...

NASA's Perseverance rover discovered rocks on Mars, providing new evidence the red planet was once a wet, habitable world that could support life.

This isn’t the famous sample reported last September, but another with different signs of past life we’re struggling to ...

The discovery suggests that parts of Mars may once have supported tropical-like climates, complete with heavy, sustained rainfall.

Wringing out clues that could change everything.

NASA's Viking missions to Mars may have discovered evidence for life on the Red Planet after all, according to scientists who ...

A northern summer dust storm on Mars boosted high-altitude water escape, suggesting short-lived events may play a bigger role ...

NASA’s rover Perseverance spent nearly a year exploring the rim of a crater believed to have held a huge lake.

The Curiosity rover is travelling along the lower slopes of Mount Sharp (Mars), a large mountain in the center of Gale Crater ...

New findings from NASA's Perseverance rover have revealed evidence of wave-formed beaches and rocks altered by subsurface water in a Martian crater that once held a vast lake—considerably expanding ...

The findings suggest that calm lake conditions existed earlier than previously thought.