Armageddon: The Future of the Planet is at Stake

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

In an age when misinformation, alternative facts, and conspiracy theories have become mainstream, UFOs have risen to become one of the most-talked...

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

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

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...

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

A real-time reconstruction of time-lapse photographs taken on board the International Space Station by NASA’s Earth Science & Remote Sensing...

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...

The Wonder of it All focuses on the human side of the men behind the Apollo missions through candid interviews with seven of the Apollo astronauts:...

William Shatner presents a light-hearted look at how the "Star Trek" TV series have influenced and inspired today's technologies, including: cell...

In a studio setting, Stephen Hawking, Arthur C. Clarke and Carl Sagan (who joins them via satellite) discuss the Big Bang theory, God, our existence...

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