Origins Unknown: The Alien Presence on Earth

A filmmaker returns to a house from his past where a great tragedy happened, in order to find a closure within the space that already feels too...

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

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...

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...

The special details the events before, during, and after Shatner's life-changing flight - which made him the oldest person to ever travel to the...

Following engineers and scientists on a groundbreaking mission as they build, test and launch the James Webb Space Telescope, the most powerful...

What if the asteroid that killed the dinosaurs struck again today? Would humans survive? Or would we go the way of the dinosaurs? Join me on a wild...

On the night of February 24-25, 1942, amid terror and neurosis caused by the terrible Pearl Harbor attack only two months earlier, a huge flying...

A group of renowned cosmologists and astrophysicist are in search of a realistic picture of the universe. Their research and observational...

A film from which you can learn about the first progress of the USSR in space exploration, as well as about the achievements of Yuri Gagarin, the...

Robert Conrad hosts this exploration of strange phenomena including possession and extraterrestrial contact.

The enterprising alien who wants to visit Earth faces a number of daunting challenges. This program examines the advanced technologies he would need...