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...

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

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

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

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

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

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

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

214 million years ago a gigantic meteorite broke up and impacted Earth. 65 million years ago, the im...

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

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

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

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

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...

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

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

In one single, epic camera move we journey from Earth's surface to the outermost reaches of the univ...

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

An experience of a camera swinging in different gestures facing the optical distortion of the Sun. T...