Three billion miles away a grand-piano-sized spacecraft is speeding through the outer solar system at nearly 1,000 miles per minute. After nearly a decade in space, the New Horizons space probe will have just 86 seconds to complete its primary mission: Discover the planet Pluto. This time-sensitive special will showcase the first quality pictures of Pluto that the probe will capture.

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...

Wicket the Ewok and his friends agree to help two shipwrecked human children, Mace and Cindel, on a ...

Did Mars ever have life on it? To answer this question, Europe and Russia have launched a unique and...

The first feature from Alison McAlpine is a dialogue with the heavens—in this case, the heavens abov...
A short documentary about Fritz Lang's film 'Frau im Mond', and its relation to the science and hist...

Part of the Almost Famous series. Jocelyn Bell was a graduate student at Cambridge in 1967 when she ...

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

The posse meet three cat clerics who worship Lister as their God. Lister vows to help them as they'r...

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 ...

The superhero Starman is sent by the Emerald Planet to protect Earth from belligerent aliens from th...

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...

Billions of years ago, Venus may have harbored life-giving habitats similar to those on the early Ea...

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