The organic molecules discovered by NASA’s Curiosity rover could have been formed by life, but they could have also come from ...

Scientists edge closer to answering Mars’ biggest question: Did life ever exist on the red planet? Here's the latest from two ...

Mars exploration is heating up. NASA eyes sample returns and crewed landings by the 2030s, but its current relay satellites — ...

A dark patch in Mars' Utopia Planitia region has grown significantly since it was first photographed in 1976. Scientists have ...

A new image shows a striking contrast between Mars' desert-like terrain against dark deposits of volcanic ash.

NASA's Curiosity Rover discovered a large cluster of polygonal rocks on the planet of Mars, which may indicate evidence of ...

Mars looks familiar from afar, but surviving there means creating a protective oasis in a hostile world. Instead of shipping construction materials from Earth, researchers are exploring how to use ...

Mars may have once had an ocean so vast that it covered one-third of the planet before evaporating billions of years ago and ...

The reason why Mars is called the Red Planet is because of its reddish appearance when seen from space and Earth. Mars is red ...

A NASA spokesperson called the image a "fan-made" work.