Scientists have spent decades scouring the Martian surface for any signs of life. Now, a photo snapped by NASA 's Curiosity ...

The recent discovery of a key mineral has reshaped our scientific understanding of what Mars looked like in the past.

OF201, the object belongs to the same all-star family as Pluto: dwarf planets. Its diameter, roughly 435 miles (700 km), is ...

Out where the Sun shrinks to a bright pin, Voyager 1 is getting a cosmic suntan. Nearly 24 billion kilometers from Florida’s ...

NASA's Curiosity rover has encountered patches of sharp “gator-back” rocks causing mission planners to look for a new route ...