Origins Unknown: The Alien Presence on Earth

Alien and UFO encounters are not just a modern phenomenon. In fact, they go back thousands of years and amazingly resemble contemporary accounts world...

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

Peabody Award winner Linda Moulton Howe and other experts explore the enigma of the colossal stone pyramids encircling our planet, both their purposes...

This remarkable journey across our planet and universe explores how meteorites, shooting stars, and deep impacts have awoken our wonder about other re...

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...

An alien narrates the story of his dying planet, his and his people's visitations to Earth and Earth's self-made demise, while human astronauts in spa...

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...

Danny Dyer goes on a quest to spot a UFO, spurred on by a meeting with his boyhood hero Sir Patrick Moore. Danny examines reported UFO landing sites a...

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

What if there was a museum that contained every type of life form in the universe? This experience takes you on a tour through the possible forms ali...

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

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...

Travel alongside the astronauts as they deploy and repair the Hubble Space Telescope, soar above Venus and Mars, and find proof of new planets and the...

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...