Harvard scientists explain how Mars had warm spells billions of years ago, allowing rivers and lakes to exist.

Mars' southern hemisphere absorbs a lot of the sun's energy during the Red Planet's spring, and that may be causing Mars' ...

A super-Earth planet that dips in and out of its star's habitable zone has been discovered just 19.7 light-years away.

Understanding chorus waves is vital, as they create fast-moving, highly energetic electrons (known as killer electrons) that ...

A collection of Martian rocks could reveal details about potential past life on the Red Planet – but first NASA has to get ...

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

Simpson and Chen ran mathematical models looking at how differently sized Earth-like worlds would have affected the rest of ...

UK researchers have confirmed the existence of a “super Earth” located 20 light-years away that could reveal the existence of ...

The car-sized Curiosity rover has spotted evidence of once quite hospitable environs on Mars.

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

Experts told Newsweek about the difficulties of reaching Mars as the United States faces complex challenges in space policy.

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, ...