NASA's OSIRIS-REx spacecraft had a mission in 2020: fly to Bennu, an asteroid about 200 million miles from earth, land briefly, collect a small sample, and return home. But its mission was thwarted, ...

Nearly two years ago, NASA made history when its OSIRIS-REx spacecraft briefly “tagged” 101955 Bennu to collect a regolith sample from the surface of the asteroid. While the mission won’t return to ...