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?

Assigned to oversee the development of the atomic bomb, Gen. Leslie Groves is a stern military man d...

The first feature from Alison McAlpine is a dialogue with the heavens—in this case, the heavens abov...

A strange story from Somerset, England about a filmmaking farmer and the inspiring legacy of his lon...

This feature-length documentary is a portrait of eclipse chasers, people for whom solar eclipses - a...

Hacking at Leaves documents artist and hazmat-suit aficionado Johannes Grenzfurthner as he attempts ...

Former major league baseball player Moe Berg lives a double life working for the Office of Strategic...

Cave paintings and lunar calendars exist in the caves and remains of prehistoric hunters studied rec...

CERN and the University of California-Santa Barbara are collaborating in the search for the elusive ...

The Scythians, skilled horsemen and nomadic conquerors, built a feared empire in the vast Eurasian s...

Thanks to new excavations in Mauritius and Madagascar, as well as archival and museum research in Fr...

Billions of years ago, Venus may have harbored life-giving habitats similar to those on the early Ea...

European Space Agency astronaut Alexander Gerst and his NASA colleague Reid Wiseman are launched int...

An incredible travel through space and time between the walls of the Paris Observatory, which is cel...

This documentary delves into the mysteries surrounding the Neanderthals and what their fossil record...

Part of the Almost Famous series. Jocelyn Bell was a graduate student at Cambridge in 1967 when she ...

Professional, native and antiquarian researchers combine to investigate the archaeological history a...

Documents the cultural and ecological impacts of coal stripmining, uranium mining, and oil shale dev...