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...

Updates a number of themes from the Cosmos television series. Turner and Sagan discuss issues that are vital to our survival: pollution, the...

TROM (The Reality of Me) is an unique free online documentary, since no one has thought of such a documentary from our knowledge. We want to show, as...

Really strange documentary of Wheeler Dixon production quality on the Tunguska Event and the possibility of it happening again causing an apocalypse...

Wanderers is a vision of humanity's expansion into the Solar System, based on scientific ideas and concepts of what our future in space might look...

Orson Welles — with contributions from scientists George Wald, Carl Sagan, and others — examines the possibility and implications of...

This excerpt from A Pale Blue Dot was inspired by an image taken, at Carl Sagan's suggestion, by Voyager 1 on February 14, 1990.

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

A documentary exploring the possible ecological and atmospheric consequences of nuclear war, particularly as they would be expressed in a "nuclear...

An edited version of the 1970 German documentary "Erinnerungen an die Zukunft" (Chariots of the Gods), this examines the theory that aliens have...

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

The Earth Day Special is a television special revolving around Earth Day that aired on ABC on April 22, 1990. Sponsored by Time Warner, the two hour...

Carl Sagan did more to popularize science than any man on the planet, sharing his wonder and fascination with the mysteries of the universe with...

Horizon investigates whether first contact with aliens has already occurred. The publication of 'Chariots of the Gods?' by Erich von Daniken is...

In a last-ditch effort to save earth, a man sacrifices himself and is forced to relive a series of suppressed memories that become smeared by the...