“The presence of liquid water [on Mars] is a broad topic that includes rains, rivers, lakes, as well as oceans,” says Ezat ...

Ancient shoreline features hint that water on Mars once formed a vast ocean.

New evidence of ancient rivers suggests Mars may have been a "blue planet," thanks to an ocean spanning its entire northern ...

A pull in the right direction ...

When NASA’s Perseverance rover dropped through the thin Martian atmosphere and settled into Jezero Crater, it did more than stick a precision landing. For the first time, a robot on another world ...

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

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.

It would really suck to be all alone on Mars at night. The post This Photo of Mars at Night Is Straight Up Haunting appeared ...