The World's Most Powerful Telescopes

The captivating tales of the people and events behind one of humanity's greatest achievements in exploration: NASA's Voyager mission.

Aspiring teenage astronauts reveal that a journey to Mars is closer than you think.

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...

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

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...

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

In the year 1957 the cold war expands to space. The Soviet-Union sends Sputnik as the first manmade object into earth-orbit. 3 years later Yuri...

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

Archival material from the original NASA film footage – much of it seen for the first time – plus interviews with the surviving...

The 1960s was an extraordinary time for the United States. Unburdened by post-war reparations, Americans were preoccupied with other developments...

What if you could get behind the wheel and race through space? We scale down the Solar System to the continental United States and place the planets...