This artist's illustration shows NASA's OSIRIS-REx spacecraft zooming past Earth on Sept. 22, 2017 — a maneuver designed to boost the probe’s speed and refine its course toward the asteroid Bennu.

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

Grab-and-go missions to asteroids have provided some of the most scientifically valuable samples since the Apollo ...

NASA’s third New Frontiers-class mission, the Osiris-Rex asteroid sample return probe, cleared a crucial decision point for development May 15 and is expected to proceed in preparation for launch to ...