Mars, once a planet abundant with water, now lies as a barren, arid expanse. Its surface features reveal a history where ...

A NASA satellite has spotted frozen "kidney beans" on Mars' sand dunes trapped in place until springtime. Photographing them ...

Snow dots the Martian landscape in these images from ESA's Mars Express orbiter and NASA's Mars Reconnaissance Orbiter.

Geologically, Mars is very reminiscent of the moon. But it also looks a lot like the Earth. It all depends on who you ask.

"Springtime on Earth has lots of trickling as water ice gradually melts. But on Mars, everything happens with a bang," Serina ...

The European Space Agency’s (ESA) Mars Express orbiter captured stunning views of a winter wonderland on Mars, but this isn’t ...

Sometimes, images of our own debris on the surface lead to internet claims of alien wreckage or eerie objects found on Mars. This was the case with images like the one below, released by NASA/JPL ...

Mars will seem to disappear behind the full wolf moon Monday for many sky-gazers. Throughout January, also look up to see ...

NASA has arrived at two ways of returning samples collected on Mars to Earth. Now, the agency will test the options to see if ...

Steeped in the United States' space race with the Soviet Union, the pursuit of a deeper understanding of Mars' resources and ...

Snow dots the Martian landscape in these images from ESA's Mars Express ... but a seasonal process brings some of it to the surface. NASA's Mars Reconnaissance Orbiter also saw winter frost ...