The complex engineering challenges that make re-entry into the earth's atmosphere so dangerous. Scientists have labored for years to bring a crew safely home in what is essentially a meteorite, wrapped in a cocoon of fire, hurtling towards earth six times faster than the fastest bullet. Scientific experts from NASA explain the significance of Columbia's events as they unfolded, offer insights into what may have caused them and how those key events contributed to the shuttle’s ultimate destruction.

A new age of space exploration, and exploitation, is dawning. But surprisingly, some of the boldest ...

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

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

A young apprentice struggles to master nanotechnology on an alien world and prove herself to her eni...

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

In a studio setting, Stephen Hawking, Arthur C. Clarke and Carl Sagan (who joins them via satellite)...

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

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

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

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

It has been said that 10,000 years from now only one name will still be remembered, that of Neil Arm...

This feature-length documentary is a portrait of eclipse chasers, people for whom solar eclipses - a...

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

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

At the dawn of the Space Race, seven test pilots set out to become the first American astronauts to ...

What if you could get behind the wheel and race through space? We scale down the Solar System to the...

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

Move over, King Tut: There's a new pharaoh on the scene. A team of top archaeologists and forensics ...

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