Prehistoric Astronomers

Documentary about the Griffith Observatory, shown at their Leonard Nimoy Event Horizon Theater

A picture about the fine art of prehistoric times, the remains of which have been found in various places on the European continent.

214 million years ago a gigantic meteorite broke up and impacted Earth. 65 million years ago, the impact that killed the dinosaurs occurred where the...

Chaco Canyon, located in northwest New Mexico, is perhaps the only site in the world constructed in an elaborate pattern that mirrors the yearly...

Werner Herzog gains exclusive access to film inside the Chauvet caves of Southern France, capturing the oldest known pictorial creations of humankind...

The Channeled Scablands in Washington state defied conventional explanations for their formation for decades. Little by little evidence mounted for...

In Chile's Atacama Desert, astronomers peer deep into the cosmos in search for answers concerning the origins of life. Nearby, a group of women sift...

First Stop...the Tar Pits, as Gary and Eric investigate the incredible creatures that came after the dinosaurs, from giant ground sloths to savage...

Neandertal man disappeared abruptly 30,000 years ago. Who was that "other" man and what is the most plausible hypothesis leading to his extinction?...

Gary Owens needs more dinosaurs and sends Eric Boardman on the ultimate dinosaur safari to find them. Join the hunt for a living dinosaur in the...

Armenian radio-engineer Arevik Sargsyan has struggled throughout her life to preserve ROT54, a giant telescope built by her uncle in the 1980s. But...