In unusual circumstances, scientists from different countries work together to achieve a common scientific goal. Locked in their spinning space lab, they are isolated from the world — family and friends - and can only watch from the outside as life on Earth continues without them. The space station is a monument not only to the weaknesses of humanity, but also to its ability to do the impossible for the sake of life in space.

Twin astronauts Scott and Mark Kelly were separated for almost a year, undergoing intensive measurem...

Twelve men who belong to one of the world's most exclusive fraternities -- people who've walked on t...

In a studio setting, Stephen Hawking, Arthur C. Clarke and Carl Sagan (who joins them via satellite)...

214 million years ago a gigantic meteorite broke up and impacted Earth. 65 million years ago, the im...

Did Mars ever have life on it? To answer this question, Europe and Russia have launched a unique and...
A short documentary about Fritz Lang's film 'Frau im Mond', and its relation to the science and hist...

Top Gear presenter James May presents this informative program that examines the historic moon missi...

Some 220 miles above Earth lies the International Space Station, a one-of-a-kind outer space laborat...

A new age of space exploration, and exploitation, is dawning. But surprisingly, some of the boldest ...

A testament to NASA's Apollo program of the 1960s and '70s. Composed of actual NASA footage of the m...

In one single, epic camera move we journey from Earth's surface to the outermost reaches of the univ...

Horizon visits state-of-the-art laboratories and uses CGI to recreate the science-fiction-worthy wea...

Join the Mars rovers Spirit and Opportunity for an awe-inspiring journey to the surface of the myste...

National Geographic and NASA are sending you into space - live! For the first time ever, board the I...

An epic journey around Mars — built from real satellite and rover data — revealing the red planet as...

This feature-length documentary is a portrait of eclipse chasers, people for whom solar eclipses - a...

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

It was November 12, 2014, at 5:03pm. Humanity had just accomplished a feat that will forever mark it...

Travel alongside the astronauts as they deploy and repair the Hubble Space Telescope, soar above Ven...

This film shows how far we have come since the cold-war days of the 50s and 60s. Back then the Russi...