The Secret NASA Transmissions 2

Comets pose one of the greatest threats to life on Earth - a threat that can only be countered if we find out more about them. In 2005, in an...

Using original footage and interviews, this documentary tells the nail-biting story of Apollo 13 and the struggle to bring its astronauts safely home.

Horizon visits state-of-the-art laboratories and uses CGI to recreate the science-fiction-worthy weather experienced on other planets.

Real witnesses. Real encounters. Never before seen footage.

Twelve men who belong to one of the world's most exclusive fraternities -- people who've walked on the surface of the moon -- are paid homage in this...

With more than 27 years of service, the space shuttle Discovery has clocked more time in space than any other shuttle. She has flown more than 148...

In unusual circumstances, scientists from different countries work together to achieve a common scientific goal. Locked in their spinning space lab,...

The Apollo 17 mission was the final opportunity to collect first hand information about the history and origin of the Moon. This film looks at this...

NASA film documenting the launch and commissioning of AzTechSat-1, a pioneering one-to-one communications satellite in space.

In the summer of 1977, NASA sent Voyager 1 and Voyager 2 on an epic journey into interstellar space. Together and alone, they will travel until the...

Director Dan Farah got 34 senior members of the U.S. Government, military, and intelligence community to come on camera. He says they reveal an 80...

One Small Step: The Story of the Space Chimps is the dramatic and moving real-life tale of the United States Air Force chimponauts and their NASA...