A spacecraft that gave scientists their first peek into a comet’s icy interior will explore no more, NASA said Friday.
NASA says its Dawn spacecraft is preparing to study the massive asteroid Vesta after being captured into its orbit during the weekend.
NASA’s next-generation rover to the surface of Mars needs more money — again.
The Mars rover Spirit marks its seventh year on the red planet Monday. Not only is it stuck in a sand trap, it hasn’t communicated with Earth since March.