Chaco Canyon, located in northwest New Mexico, is perhaps the only site in the world constructed in an elaborate pattern that mirrors the yearly cycle of the sun and the 19-year cycle of the moon. How did an ancient civilization, with no known written language, arrange its buildings into a virtual celestial calendar, spanning an area roughly the size of Ireland?

Tells the story of the greatest natural disaster of the ancient world, an event that experts believe...
The extensive excavation work that followed the discovery of five Viking ships in Roskilde Fjord. Ma...

When filmmaker Ian Cheney moves to New York City and discovers skies almost completely devoid of sta...

Aaron Paul, Vince Gilligan and other cast members, producers and crew share stories and footage from...

A true historical drama about King Sejong, the greatest ruler in Joseon history who sought to enhanc...

A documentary about actor/director Dennis Hopper, showing him at his home and studio putting togethe...

Four exceptional astronomers celebrate 50 years of work and friendship on a return road trip in the ...

A documentary by husband and wife filmmakers, Mario Balibrera and Dana Evans, of the art colonies of...

Kate Humble and Helen Czerski reveal the inner workings of the sun and investigate why scientists th...

Blue Peter presenters Helen Skelton and Barney Harwood want to learn more about the solar system so ...

The Great Year is a compelling documentary that explores the possibility that the fall of ancient ci...

The aftermath of a shocking explosion at the Chernobyl nuclear power station made hundreds of people...

In an age when misinformation, alternative facts, and conspiracy theories have become mainstream, UF...

A documentary purporting to expose the space alien conspiracy that not only influenced human history...

"The Boy Of The Fish" follows Noon, a young boy living in a Syrian refugee camp, who finds solace an...

In India, in the region of Gujarat, a man whose face is never shown travels through the large city o...

Based on more than two decades of systematic research and cross-cultural comparison by comparative m...

How's it all gonna end? This experience takes us on a journey to the end of time, trillions of years...
Three billion miles away a grand-piano-sized spacecraft is speeding through the outer solar system a...