Saving Skylab: America's First Space Station

Moonscape is a free and freely downloadable high-definition documentary about the first manned Moon landing. Funded and produced by space...

NASA's biggest spacecraft, Cassini, plunges into Saturn in the final act of a 20-year mission showcasing the planet like never before. An incredible...

Tragedy struck when the Space Shuttle Challenger disintegrated just 73 seconds into flight. Hours earlier, engineers argued to cancel the launch,...

Spacecraft OSIRIS-REx attempts to grab a piece of an asteroid to bring back to Earth so scientists can study it to learn about the planet's origins.

National Geographic and NASA are sending you into space - live! For the first time ever, board the International Space Station and take a complete...

Before the joint NASA/ESA Cassini-Huygens mission, humanity only knew what had been learned, decades earlier, with the previous limited, rapid...

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

At the height of the space race, three U.S. astronauts are tapped as the first Apollo crew. With dazzling archival footage and exceptional access,...

Social isolation affects millions of people, even Mars-bound astronauts. A savvy NASA psychologist is tasked with protecting these daring explorers.

Using original footage and interviews, this documentary tells the nail-biting story of Apollo 13 and the struggle to bring its astronauts safely home.

A respectful overview of Dr. Marvin E. Grunzke’s career that included training Ham, the first chimpanzee launched into orbit by NASA.