NASA’s Curiosity Mars rover took this selfie at a location nicknamed “Mary Anning” after a 19th century English ...

Strange, sinuous gullies etched into the dunes of Mars are finally giving up their secrets. These gouges, new experiments reveal, are carved by the explosive sublimation of dry ice, burrowing down the ...

"This experiment's never been run before on another world," said Amy Williams, an astrobiologist working on the Curiosity mission.

The Curiosity rover conducted a first-of-its kind experiment on Mars, detecting organic molecules that have never been ...

The Curiosity Mars rover detected many organic compounds, including ones not seen before on the red planet, such as nitrogen- and sulfur-bearing molecules similar to the building blocks of life on ...