Into the Unknown

S1, E1: Awe-inspiring science and breathtaking images from the cosmos are now delivered to Earth courtesy of Mars Science Laboratory's Curiosity rover and other spacecrafts. Virtually all of these cutting-edge technologies evolved from decades of risky trial and error by pioneering engineers and astronauts. Witness these early triumphs and tragedies, and discover how they're helping today's innovators leave orbit once again to unlock the mysteries of distant worlds.