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.

Social isolation affects millions of people, even Mars-bound astronauts. A savvy NASA psychologist i...

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

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

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

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...

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

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

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 ...

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

All of the necessary technologies required to reach the Moon was first tested during Project Gemini,...

One Small Step: The Story of the Space Chimps is the dramatic and moving real-life tale of the Unite...

In unusual circumstances, scientists from different countries work together to achieve a common scie...

With more than 27 years of service, the space shuttle Discovery has clocked more time in space than ...

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

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

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