Ignited by a bombshell story revealing the Pentagon had been tracking UFOs for years, the series examines the history of the phenomenon through...

Featuring interviews with his followers, critics and Raël himself, this docuseries traces how a UFO-inspired religion spiraled into a...

The program was dedicated to collecting the testimonies of alleged witnesses of UFO phenomena and contrasted the facts with the opinion of experts...

Antiques Roadshow is a British television show in which antiques appraisers travel to various regions of the United Kingdom to appraise antiques...

Though claims of extraterrestrial encounters have long been dismissed, many believe the existence of UFOs is not just likely, but a certainty.

Experts review prophecies about the Mayan calender and the significance of December 21, 2012.

Over the past four and a half decades, the so-called D.B. Cooper skyjacking case has captivated countless armchair detectives - not to mention teams...

There is a ranch in northern Utah. It is considered the epicenter of the strangest, and most disturbing occurrences on Earth: For two decades, the...

The truth behind the U.S. government's secret Pentagon program on UAPs, Unidentified Aerial Phenomena, otherwise known as UFOs, is exposed.

Though claims of extraterrestrial encounters have long been dismissed, many believe the existence of UFOs is not just likely, but a certainty.

Don Wildman unearths relics from the world's greatest institutions to reveal secrets from the past. He examines each artifact to illuminate history's...

This immersive series follows the world's most magnificent creatures, capturing never-before-seen moments from the heartwarming to the outrageous.

Honoring service members whose courage merited the awarding of a Medal of Honor, this docudrama series re-creates their inspiring true stories.

Infographics and archival footage deliver bite-size history lessons on scientific breakthroughs, social movements and world-changing discoveries.

Real people sit down with friends and family to share terrifying true stories from their past, re-created through chilling re-enactments.

A series of standalone documentaries powered by the unparalleled journalism and insight of The New York Times, bringing viewers close to the...

A chilling series in which survivors of a paranormal experience relive their harrowing encounter.

Horizon tells amazing science stories, unravels mysteries and reveals worlds you've never seen before.

Filmed across six continents, this docuseries uses cutting-edge camera technology to capture animals' nocturnal lives, revealing new behaviours...

Did intelligent beings from outer space visit Earth thousands of years ago? From the age of the dinosaurs to ancient Egypt, from early cave drawings...

TV's most-watched history series brings to life the compelling stories from our past that inform our understanding of the world today.