To Mars by A-Bomb: The Secret History of Project Orion

Explore how one man's relentless drive and invention of the atomic bomb changed the nature of war forever, led to the deaths of hundreds of thousands...

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.

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

A look behind the scenes of Christopher Nolan's film "Oppenheimer" about an American scientist and his role in the development of the atomic bomb.

This captivating documentary on J. Robert Oppenheimer, the architect of the atomic bomb, explores his journey before the historic test and reveals...

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.

On July 16, 1969, hundreds of thousands of spectators and an army of reporters gathered at Cape Kennedy to witness one of the great spectacles of the...

"The World's Most Powerful Telescopes" is a research expedition across the southern firmament. The science documentary shows the powerful telescopes...

For 18-year-old Finnish–Kosovan Fatu, a simple visit to the grocery store feels as nerve-racking as a lunar expedition: for the first time in...

The birth of the atomic bomb changed the world forever. In the years before the Manhattan project, a weapon of such power was not even remotely...