New research suggests Mars was once a blue planet, as scientists identify river deltas and signs of a vast ancient ocean on ...

Bad weather has postponed attempts to set up camp on the Thwaites Glacier. So researchers got onto the sea ice and met a ...

Researchers uncover how Mars affects Earth’s orbit, offering new insight into the planetary forces behind ice ages.

The findings potentially solve the paradox of how liquid water seems to have persisted on Mars even when the climate grew too ...

Times journalists were able to get tantalizingly close to the Thwaites glacier, which scientists are hoping to spend weeks ...

Because the ice is thin and temporary, it would leave little evidence behind, which could explain why rovers have not found ...

New climate modeling suggests that small lakes on ancient Mars could have stayed liquid for decades, even in a generally cold environment. Small lakes on early Mars may have stayed in liquid form for ...

A new climate model suggests that ancient lakes on Mars may have survived for decades beneath thin layers of ice that formed ...

Thin, seasonal ice may have protected ancient lakes on Mars, allowing liquid water to last for decades despite cold ...

Learn how researchers were able to use a climate model to uncover information about water on ancient Mars.

Strange grooves, swirling valleys, and hidden ice far from Mars’s poles reveal a surprisingly recent ice age, as new ESA ...

Small lakes on ancient Mars may have remained liquid for decades, even with average air temperatures well below freezing.