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

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

European Space Agency astronaut Alexander Gerst and his NASA colleague Reid Wiseman are launched int...
Comets pose one of the greatest threats to life on Earth - a threat that can only be countered if we...

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...

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

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

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

The New Horizons team examines the latest findings and imagery from Pluto and the fringes of our sol...

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

The dynamic meeting of solid science and futuristic simulation culminates in a dramatic exploration ...

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

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

William Shatner presents a light-hearted look at how the "Star Trek" TV series have influenced and i...

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

Everyone knows Neil Armstrong came back from the Moon in 1969 – but it wasn’t until three years late...

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