Add Yahoo as a preferred source to see more of our stories on Google. Several space missions have flown by asteroids before and gotten a peek at their compositions, but bringing a sample back to Earth ...

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 ...

Tim McCoy, right, and Cari Corrigan, meteorite researchers at the Smithsonian's National Museum of Natural History, look at images of asteroid Bennu samples taken by a scanning electron microscope. A ...

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 ...

Samples taken from the space-returned piece of asteroid Ryugu were collected and prepared under strict anti-contamination controls. Inside the cleanest of clean rooms, a tiny particle was collected ...