The fact that the cold, dry Mars of today had flowing rivers and lakes several billion years ago has puzzled scientists for ...

Scientists may have figured out how Mars hung onto its surface liquid water in its ancient history via alternating periods of ...

The northern plains of Mars, marked by thousands of mounds and hills, hold significant evidence of the planet's watery past.

Scientists confirm the existence of liquid water on Mars, altering our understanding of the Red Planet. Evidence of wave ...

The fact that the cold, dry Mars of today had flowing rivers and lakes several billion years ago has puzzled scientists for decades. Now, researchers think they have a good explanation for a warmer, ...

Thousands of mysterious clay mounds found on Mars were formed by ancient water on the Red Planet's barren northern plains, ...

But these hot and cold spells may have been detrimental to life if it existed on the Red Planet ... process to Mars as is used on Earth to track pollutants, allowing them to model how the hydrogen ...

But these hot and cold spells may have been detrimental to life if it existed on the Red Planet. Mars may be a ... team to apply a similar process to Mars as is used on Earth to track pollutants, ...

The 3.7-billion-year-old formations in the planet's Gale Crater suggest the presence of long-gone bodies of liquid water, with no ice covering the surface ...