Mars, once a much wetter and more dynamic planet, is now a dry and inhospitable desert. The mystery of how the red planet ...

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

The current image of Mars as an arid and hostile desert contrasts sharply with the history revealed by its surface. Channels, ...

Scientists have found that ancient Martian lakes could have survived for decades despite freezing air temperatures. Using a ...

"You need so much water that we think these could be evidence of an ancient warmer and wetter climate where there was rain falling for millions of years." ...

Mars may have been a "blue planet" with an ocean the size of today's Arctic Ocean, a new study suggests.

A MYSTERIOUS rock that fell to Earth from Mars may hold some watery secrets about the Red Planet – and possibly alien life.

Bright white rocks found by NASA’s Perseverance rover hint at ancient Martian rain lasting millions of years, raising new questions about how wet Mars once was and what those conditions might mean.

Neutron and X-ray scans of the Black Beauty Martian meteorite identified hydrogen-rich minerals, providing evidence of water-bearing materials in ancient Martian rock samples.

New tools unlock new discoveries in science. So when a new type of non-destructive technology becomes widely available, it's ...

Advances in technology have reopened the debate over terraforming Mars, shifting it from an impossible dream to a long-term scientific and ethical question.