It contains 99.9 percent of all the matter in our solar system and sheds hot plasma at nearly a million miles an hour. The temperature at its core is a staggering 27 million degrees Fahrenheit. It convulses, it blazes, it sings. You know it as the sun. Scientists know it as one of the most amazing physics laboratories in the universe.

Riding Giants is story about big wave surfers who have become heroes and legends in their sport. Dir...

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...

Spacecraft OSIRIS-REx attempts to grab a piece of an asteroid to bring back to Earth so scientists c...
Comets pose one of the greatest threats to life on Earth - a threat that can only be countered if we...

Moonscape is a free and freely downloadable high-definition documentary about the first manned Moon ...

The Academy Award® nominee Cosmic Voyage combines live action with state-of-the-art computer-generat...

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...

NASA's biggest spacecraft, Cassini, plunges into Saturn in the final act of a 20-year mission showca...

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...

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...

From the unique vantage point of 200 miles above Earth's surface, we see how natural forces - volcan...

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

With access to the scientists and engineers responsible for the Curiosity rover's on-the-ground expe...

Never-before-aired NASA footage presents evidence that the Moon is being used as a base.