The surface of Mars is extremely cold, irradiated, and desiccated. But at one time, the planet was much warmer and wetter, ...

Researchers believe that Mars might be home to ice deposits outside of its poles that surpass the volume contained in the ...

Mars, today a cold, irradiated, and dry world, once had a much warmer and wetter environment. The planet was covered by lakes ...

Though most of the region surrounding the rock is light-colored and dusty, Skull Hill is dark, angular, and covered in tiny ...

For the past four years, NASA 's Perseverance rover has rambled over a region of Mars where scientists say a strong river ...

Mars may once have had a relatively warm and wet climate conducive to flowing water, rain and snow, producing a terrain much ...

New research suggests ancient Mars may have been warm and wet, with rainfall or snowmelt carving its iconic valleys.

Mars Express captures images of Acheron Fossae, revealing the Red Planet’s split terrain—ancient cratered highlands and ...

Learn about Mars' defunct magnetic field, which may have sustained life on the planet and covered only its southern ...

The Perseverance rover has found some intriguing samples on the red planet. Here's what they might reveal about the origins ...