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

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

Mars is absolutely dripping with evidence that the red planet was once a striking blue, complete with glistening lakes, ...

Where there’s water, there’s life—and vice versa. Aside from being a fundamental truth of science, this fact accounts for a huge amount of the studies we undertake during space exploration. Finding ...

Recent discoveries have shed new light on the history of Mars, revealing evidence of ancient underground water that suggests the planet may have been habitable for longer than previously believed.

Three billion years ago, you could have stood on Mars and watched a river spill into a sea. That picture is still speculative ...

NASA's Curiosity rover has found evidence of water on ancient Mars with "rippled textures" and "landslide debris" in the ...

“Tintina” rock broken apart by Curiosity's wheels, showing a bright white interior. Image credit: NASA/JPL-Caltech/MSSS The above image of the rock named “Tintina” exposes “Yellowknife Bay” vein ...

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