NASA's OSIRIS-REx mission is scheduled to return samples of Asteroid Bennu to Earth. Credit: NASA Goddard Space Flight Center ...

OSIRIS-REx is short for Origins, Spectral Interpretation, Resource Identification, Security-Regolith Explorer. It launched in September 2016 for the seven-year mission to Bennu and back.

Dante Lauretta, a professor at the University of Arizona and the OSIRIS-REx principal investigator, speaks at a press conference after a sample of Bennu had been transported to Earth. NASA/Keegan ...