NASA may have just gotten one step closer to the answering the question: are we alone? The Spitzer Telescope has made a groundbreaking discovery of exoplanets that could be similar to our own. And as Kepler also continues its search, our understanding of the universe continues to be redefined.

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

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...

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

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

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

A testament to NASA's Apollo program of the 1960s and '70s. Composed of actual NASA footage of the m...

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

Top Gear presenter James May presents this informative program that examines the historic moon missi...

The Wonder of it All focuses on the human side of the men behind the Apollo missions through candid ...

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

A new age of space exploration, and exploitation, is dawning. But surprisingly, some of the boldest ...
Comets pose one of the greatest threats to life on Earth - a threat that can only be countered if we...

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

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

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

On January 28, 1986, NASA Challenger mission STS-51-L ended in tragedy when the shuttle exploded 73 ...

Commemorating the space agency's 50th anniversary, follow John Glenn's Mercury mission to orbit the ...