NASA

America's Secret Space Heroes

We all know Neil Armstrong, John Glenn, Sally Ride, and other icons of America's space program. But behind the scenes, engineers have been the secret heroes, building the spacecraft and instruments that have helped man leave Earth and explore the stars. We reveal the inside stories of how these brilliant minds created such superior machines as the Saturn V moon rocket, the Space Shuttle, and the Hubble Space Telescope, often against incredible odds.

On TV

    • Tomorrow
    • 4:00am
    Jan 25
    Hubble Telescope
    • Friday
    • 5:00pm
    Jan 26
    Hubble Telescope
    • Thursday
    • 4:00am
    Feb 01
    Viking Mars Mission