Most of the Expedition 72 crew enjoyed a day off on Tuesday, while two NASA astronauts focused on cutting-edge human research ...

Researchers have unveiled a cosmic cycle where carbon, created in the explosions of stars, travels through space via a ...

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

Observations with the South Pole Telescope have revealed an independent addition to the biggest problem in cosmology.