We Are Not Alone

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...

This movie explores the saga of the telescope over 400 years - the historical development, the scientific importance, the technological...

Twin astronauts Scott and Mark Kelly were separated for almost a year, undergoing intensive measurements when one was in space and one was on Earth....

StarGaze HD brings the beauty and majesty of the Universe to your HD Home Theater. Journey beyond the stars with images from the Hubble Space...

The New Horizons team examines the latest findings and imagery from Pluto and the fringes of our solar system revealing a world unlike any other...

NASA may have just gotten one step closer to the answering the question: are we alone? The Spitzer Telescope has made a groundbreaking discovery of...

Before the joint NASA/ESA Cassini-Huygens mission, humanity only knew what had been learned, decades earlier, with the previous limited, rapid...

An epic journey around Mars — built from real satellite and rover data — revealing the red planet as you’ve never seen it before.

National Geographic and NASA are sending you into space - live! For the first time ever, board the International Space Station and take a complete...

It has been said that 10,000 years from now only one name will still be remembered, that of Neil Armstrong. But in the four decades since he first...

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

Billions of years ago, Venus may have harbored life-giving habitats similar to those on the early Earth. Today, Earth's twin is a planet knocked...