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.

The remarkable story of the determination and courage of a generation. A tribute to three brave astr...

The wonders of the universe have long propelled our insatiable desire to learn more about who we are...

The 1960s was an extraordinary time for the United States. Unburdened by post-war reparations, Ameri...

In the year 1957 the cold war expands to space. The Soviet-Union sends Sputnik as the first manmade ...

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

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)...

July 1969. America made history and sent the first humans to the moon. High-quality NASA footage and...

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

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

The film features amazing scenes of places never before seen gathered by key space missions that cul...

Explores achievements of Eileen Collins, the first woman to pilot and command a spacecraft, paving t...

Archival material from the original NASA film footage – much of it seen for the first time – plus in...
Comets pose one of the greatest threats to life on Earth - a threat that can only be countered if we...

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

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...

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

Sally Ride's groundbreaking journey as the first American woman in space concealed a deeply personal...

The sun is the miracle that makes everything possible - but also the greatest danger. For the first ...