NASA collected dust from asteroid Bennu. But now the material is leaking into space.
In case you missed the news, NASA pulled off a pretty complicated maneuver: It collected dust from the asteroid Bennu, a rock speeding through space some 200 million miles from Earth.
In fact, NASA's OSIRIS-REx spacecraft did the job so well that an issue has cropped up since the collection on Tuesday. Some of the sample is...
