Grab-and-go missions to asteroids have provided some of the most scientifically valuable samples since the Apollo ...

Asteroid samples fetched by NASA hold not only the pristine building blocks for life but also the salty remains of an ancient water world, scientists reported Wednesday.Video above: Scientists discuss ...

NASA's plan to retrieve as many as 30 geological samples from Mars is getting a major rewrite, agency officials said on Monday. The initial plan, which would not return the samples to Earth until 2040 ...

There’s certainly nothing living on the asteroid Bennu, an airless, 1,614-ft. rubble pile orbiting the sun about 40.2 million miles from Earth. But that doesn’t mean that Bennu hasn’t all at once ...