A probe from the U.S. space agency NASA is scheduled later Monday to fire its thrusters and leave the orbit of the asteroid Bennu, beginning a two-year journey back to Earth, complete with samples from the asteroid’s surface.The Origins, Spectral Interpretation, Resource Identification, Security, Regolith Explorer (OSIRIS-REx) is scheduled to fire its thrusters for about … continue reading -> “NASA Probe to Leave Asteroid’s Orbit, Bring Back Samples”