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

A disturbing collection of 1940s and 1950s United States government-issued propaganda films designed to reassure Americans that the atomic bomb was no...

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

Thirty distinguished astronomers are visited at their observatories throughout the world in this comprehensive report of astronomical theories, resear...

Dramatic, moving and deeply human, ARMSTRONG offers the definitive life story of Neil Armstrong: from his childhood in Ohio to his first steps on the...

Planetary scientist Carolyn Porco explains what it takes to look for life beyond Earth, and what conditions are required for life to exist. Porco argu...

John Glenn goes on another journey into outer space for tests on how old age is affected there. His whole life is chronicled in this informative docum...

Uncover clues about the origins of our galaxy with a team of astronomers and scientists as they strive to locate a strange presence hidden deep in the...

This film presents the principal features of the planets and the National Aeronautics and Space Administration (NASA) program for exploring them durin...

National Geographic 2011 Documentary on the World's Biggest Bomb (UK).

The show tells a thrilling story of the most remarkable space mission in human history.

The story of America's first astronauts, known as the Mercury 7, told through archival news & radio reports, newly transferred & previously unheard NA...

The alarming surge of UFO sightings, alien encounters and military disclosures over the last decade have established a foreboding reality - that in ou...

Three billion miles away a grand-piano-sized spacecraft is speeding through the outer solar system at nearly 1,000 miles per minute. After nearly a de...

An immersive journey through the cosmos, its origins and its songs.