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.

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

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

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...

Explores the extraordinary, transformative events Cocoa Beach residents found themselves engaged in ...

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

In the summer of 1977, NASA sent Voyager 1 and Voyager 2 on an epic journey into interstellar space....

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

An epic journey around Mars — built from real satellite and rover data — revealing the red planet as...

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

Using original footage and interviews, this documentary tells the nail-biting story of Apollo 13 and...

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...

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

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

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...

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

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