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 we've seen before.

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 ...

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...

At the edge of our solar system supposedly lies an immense planet. Five to ten times the size of the...

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

Best friends Hazel Findlay and Maddy Cope journey to the rocky outer reaches of Mongolia, on a quixo...

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...

Explorer Thor Heyerdahl and his ten-man crew sailed their reed boat, the Tigris, over routes he beli...