Touching the Asteroid FULL SPECIAL | NOVA | PBS America

If spacecraft OSIRIS-REx can grab a piece of an asteroid and bring it to Earth, scientists could gain insight into our planet’s origins—and even how to defend against rogue asteroids. But NASA only gets three shots at collecting a sample. About PBS America: Welcome to PBS America, a British TV channel from America’s public service broadcaster, PBS, showcasing award-winning American history, science, current affairs, plus arts and culture shows alongside the works of living legend Ken Burns, output is all hand-picked by a British team. Get More PBS America: Website: Twitter: Facebook: Instagram: