Authorities all over the world say UFOs are real, but what are they, and are they a threat? This series examines the best and latest evidence caught...

In this gripping docuseries, legendary reporter George Knapp travels the globe to uncover new evidence about UFOs and investigate their presence on...

Following revelations in 2017 of a secret government program studying UFOs buried deep within the Pentagon, many scientists, academics, and...

Dive into the mysteries of some of NASA’s most curious missions and explore stories of engineering achievement and human endurance. Each...

Reenactments of alien encounters.

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

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

Delve deep into a vast archive of over 70,000 UFO files gathered over nearly half a century in Hangar 1. MUFON, an independent organization dedicated...

Investigates the mysteries behind declassified top secret government files with stunning details about the world's most credible UFO sightings and...

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...

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

Encounter: UFO tells the stories of the most incredible UFO sightings and abductions of the past and the modern era. This eight-part series reaches...

Storm chasers, survivors and first responders recount their harrowing experiences with volcanoes, tornadoes, hurricanes and earthquakes.

In this true-crime documentary, a cult expert and filmmaker infiltrate a polygamist sect to expose a self-proclaimed prophet and bring him to justice.

The series heads to the very frontiers of space and science to produce the definitive television history of science fiction, told through its impact...

Drivers, managers and team owners live life in the fast lane — both on and off the track — during each cutthroat season of Formula 1...

An in-depth look at the history and pop cultural significance of horror films.

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 non-fiction investigative series of murder cases told through the personal experience of retired detective, Lieutenant Joe Kenda. Through...

The F Word is a British food magazine and cookery programme featuring chef Gordon Ramsay. The programme covers a wide range of topics, from recipes...

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

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

Explore the surprising things we know (and don’t know) about why people are the way they are through expert interviews, rare footage from...