New research suggests Mars was once a blue planet, as scientists identify river deltas and signs of a vast ancient ocean on ...

Mars planners are increasingly treating ice not just as a resource to drink or split for rocket fuel, but as a structural material that could shape the first real neighborhoods on another world.

WASHINGTON, April 17 (Reuters) - A mineral called siderite found abundantly in rock drilled by a NASA rover on the surface of Mars is providing fresh evidence of the planet's warmer and wetter ancient ...

"Elsewhere on Mars, rocks like these are probably some of the most important outcrops we've seen from orbit because they are just so hard to form," Horgan said. "You need so much water that we think ...

NASA’s Perseverance rover found possible signs of ancient life in rocks on Mars, keeping scientists up at night. NASA's Perseverance Mars rover took this selfie on July 23, 2024. To the left of the ...