Origins Unknown: The Alien Presence on Earth

National Geographic and NASA are sending you into space - live! For the first time ever, board the International Space Station and take a complete orb...

A new age of space exploration, and exploitation, is dawning. But surprisingly, some of the boldest efforts at putting humans into space are now those...

NASA may have just gotten one step closer to the answering the question: are we alone? The Spitzer Telescope has made a groundbreaking discovery of ex...

A feature-length documentary about the film Galaxy Quest and its legacy, celebrating its milestone 20th anniversary.

A look at contact with ET

It has been said that 10,000 years from now only one name will still be remembered, that of Neil Armstrong. But in the four decades since he first set...

The New Horizons team examines the latest findings and imagery from Pluto and the fringes of our solar system revealing a world unlike any other we've...

After a close encounter with a UFO, a man becomes a trance channel for an extraterrestrial entity, which leads to a deeper investigation on the nature...

Black holes stand at the limit of what we can know. To explore that edge of knowledge, the Event Horizon Telescope links observatories across the worl...

On a late summer evening in 1977, Ohio radio astronomers discovered a strong, interstellar signal that is believed by many to be the best evidence of...

A comprehensive overview on how to take care of Actar CPR dummies, hosted by three alien babies visiting from a distant planet.

Channel 4 Equinox documentary about the mystery of crop circles, broadcast shortly before Dave Chorley and Doug Bower revealed themselves to have star...