The Secret NASA Transmissions 2

From the unique vantage point of 200 miles above Earth's surface, we see how natural forces - volcanoes, earthquakes and hurricanes - affect our...

Travel alongside the astronauts as they deploy and repair the Hubble Space Telescope, soar above Venus and Mars, and find proof of new planets and...

This film shows how far we have come since the cold-war days of the 50s and 60s. Back then the Russians were our "enemies". And to them the Americans...

The first American space station Skylab is found in pieces scattered in Western Australia. Putting these pieces back together and re-tracing the...

The award-winning film documents the amazing, true-life adventures of Billy Meier, the only proven UFO contactee.

With access to the scientists and engineers responsible for the Curiosity rover's on-the-ground experiments, NOVA captures its landing on Mars

A feature-length documentary about the film Galaxy Quest and its legacy, celebrating its milestone 20th anniversary.

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...

Social isolation affects millions of people, even Mars-bound astronauts. A savvy NASA psychologist is tasked with protecting these daring explorers.

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.

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...