The image was published as part of the 35th anniversary celebrations of the NASA/ESA Hubble Space Telescope, which was ...

NASA’s Curiosity rover has provided new evidence of at least intermittent large bodies of liquid water on the surface of Mars, bolstering theories that the planet once harbored a thicker, carbon ...

A treasure trove of clues from Curiosity reveals that ancient Mars once trapped massive amounts of CO2 in its crust, thanks ...

Photographer extraordinaire Don Pettit is about to return to Earth following a seven-month stay aboard the space station. Take a moment to enjoy his best work.

Billions of years ago, Mars was warmer and wetter than today, perhaps because volcanoes belched enough carbon dioxide to ...