Mars is absolutely dripping with evidence that the red planet was once a striking blue, complete with glistening lakes, ...

On January 25, 2004, NASA's Opportunity rover landed on Mars! This was the second of NASA's twin Mars Exploration Rovers to ...

We were as excited as anyone when MARSIS (the Mars Advanced Radar for Subsurface and Ionosphere Sounding) experiment announced there was possibly liquid water under the southern polar ice cap. If ...

Scientists have long gazed at the Red Planet and wondered whether water once flowed on its surface or even remains hidden beneath its dusty crust. As exploration advances, a growing number of missions ...

Strange, narrow channels threading through some of Mars' sand dunes have intrigued scientists for years. These Martian features don't look like anything on Earth. Early theories proposed that flowing ...

NASA’s Curiosity rover has returned a close-up image of a small rock on Mars that has caught attention for its coral-like appearance. The formation wa.

NASA announced today that Mars, which scientists once thought of as a dry, dusty planet, is home to liquid water. That makes Mars an even better candidate for supporting alien—or, one day, human—life.

Mars was a rainier, wetter place than planetary scientists previously thought, according to a new study of ancient, inverted river channels that span more than 9,000 miles (14,484 kilometers) in the ...

Skylights, openings in the surface of Mars that descend down into caves, have been found on Mars, along with signatures for the presence of water ice. When you purchase through links on our site, we ...