Caltech scientists published a study using NASA Curiosity rover imagery showing the past existence of warm water on Mars.

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

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

Discoveries of clay minerals in Martian mounds by researchers indicate that Mars once had large bodies of water billions of ...

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

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

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, ...

Human ambition to want to know as much as possible about everything around us in space is something that could already be ...

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

On Jan. 25, the love planet will join forces with go-getter Mars in an emotionally driven trine, inspiring a flood of ...

Living on Mars will be no easy feat. Building viable living quarters would require an inflatable habitat that can be covered ...

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