Mars, the Red Planet, looks nothing like Earth today. However, its geological features indicate it once had a warm and wet ...

A Martian spacecraft spied a Martian rover rumbling through the red desert. The new image captured by NASA's Mars ...

The NASA HALO capsule being built in Gilbert will serve as a habitat for astronauts orbiting the Moon before they launch onward to Mars.

"Before Hubble, no generation ever had access to unimaginably vibrant views of space, stretching almost all the way back to ...

The HiRise camera is living up to its name, capturing a rare look at the veteran rover from way up in Martian orbit.

Valleys on Mars suggest the Red Planet was once covered in flowing water — but it's still a mystery how that could have been.

"Curiosity was captured in what is believed to be the first orbital image of the rover mid-drive across the Red Planet." ...

The world's most famous telescope is celebrating in style with new views of Mars, nebulas and a galaxy that reminds us of ...

New research suggests ancient Mars may have been warm and wet, with rainfall or snowmelt carving its iconic valleys.