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

The 3.7-billion-year-old formations in the planet's Gale Crater suggest the presence of long-gone bodies of liquid water, ...

A suspected planet that appears well-suited to life has had its existence confirmed – and it’s very much in our neighborhood, ...

Titan is the only moon in our solar system with a significant atmosphere. Now we have a very good idea of how this dense ...

One of my gripes with "The Martian" movie was the depiction of the winds on Mars. The lower air density means that the sort ...

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

New research reveals ancient ripples on Mars, providing compelling evidence of long-lost lakes that once existed 3.7 billion ...

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

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 decades. Now, researchers think they have a good explanation for a warmer, ...

The next logical progression to space exploration would be sending people to Mars, but there are challenges to this, such as ...