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

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

The strongest hints yet that Mars once hosted living microbes are no longer theoretical models or ambiguous chemistry. They ...

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

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

"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." ...

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

"The structures that we were able to identify in the images are clearly the mouth of a river into an ocean." The post ...

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.

NASA’s Perseverance rover has uncovered signs of an ancient Martian shoreline, hinting at long-lasting lakes, subsurface water activity, and conditions that may once have supported life on the Red ...

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