NASA is leading the search for test pilots who have what it takes to enter the unknown of outer space. The seven men chosen to fly the Mercury capsule each know what it means to risk their lives.

NASA begins the Gemini program. For the first time, it will launch two men into space in a single spaceship. Gemini is charged with achieving an ambitious set of advanced space travel goals from long-duration flights to space walks.

A fire kills three beloved astronauts. NASA rebounds, launching men into deep space and landing Neil Armstrong and Buzz Aldrin on the moon. Featuring newly re-mastered film from NASA's vault and told by the astronauts and engineers who were there.

NASA faces a crisis with Apollo 13. A new lunar rover enables moonwalkers to explore further than ever. Skylab lets astronauts live in space. Featuring newly re-mastered film from NASA's vault and told by the astronauts and engineers who were there.

A shuttle revolutionizes space travel and a Gemini astronaut is the first to fly it. Tragedy again strikes NASA when the Challenger explodes. Featuring newly re-mastered film from NASA's vault and told by the astronauts and engineers who were there.

Hubble needs rescue, and a space station paves the way back to the moon and mars. Featuring newly re-mastered film from NASA's vault and told by the astronauts and engineers who were there.