An ancient Martian system of canyons and valleys could be home to archaic life forms, a ground-breaking scientific paper has found. Scientists investigating the Red Planet’s mind-boggling cave system ...

NASA’s Curiosity Mars rover captured images of hilly terrain on Mars, described by scientists as resembling spiderwebs from orbit, which provide clues about the planet’s watery past.

Add Yahoo as a preferred source to see more of our stories on Google. More evidence that Mars was once a habitable, wet oasis not dissimilar to Earth has been found in the rocks scattered throughout ...

Curiosity has been exploring a region filled with boxwork formations, which formed billions of years ago when water leaked through rock cracks.