Lost In Space Forever

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...

Aspiring teenage astronauts reveal that a journey to Mars is closer than you think.

Top agent Delilah dies in a risky mission against weapon dealer Kercharian. But she's revived with high-tech medicine and artificial body parts. As...

What’s it like to dedicate your life to work that won’t be completed in your lifetime? Fifteen years ago, filmmaker David Licata focused...

The captivating tales of the people and events behind one of humanity's greatest achievements in exploration: NASA's Voyager mission.

A valuable medallion believed to prove that aliens from outer space visited Earth in prehistoric times is sought.

In one single, epic camera move we journey from Earth's surface to the outermost reaches of the universe on a grand tour of the cosmos, to explore...

Some 220 miles above Earth lies the International Space Station, a one-of-a-kind outer space laboratory that 16 nations came together to build. Get a...

Laika, a stray dog, was the first living being to be sent into space and thus to a certain death. A legend says that she returned to Earth as a ghost...

Join the Mars rovers Spirit and Opportunity for an awe-inspiring journey to the surface of the mysterious red planet.

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

National Geographic's riveting effort recounts all 12 crewed missions using only archival footage, photos and audio.