NASA’s OSIRIS-REx spacecraft has spent four years stalking Bennu, an asteroid that could one day collide with Earth.
We speak with Dante Lauretta, the mission’s leader, as the probe is about to grab a pebbly sample of Bennu and bring it home. See omnystudio.com/listener for privacy information.
Science Rules! with Bill Nye
Bill Nye is on a mission to change the world — one voicemail at a time.