Scientists and sci-fi writers explore a hypothetical first-contact event between aliens and humans.

A team of experts separate fact from fiction to figure out the history behind the mystery of some of the most well-known and extraordinary cases of...

The search for ET, all the latest news presented by Linda Moulton Howe.

Revisit the most compelling mysteries explored over the past 15 years of "Ancient Aliens." Experts like Giorgio Tsoukalos, David Childress, William...

Yapool, an ancient interdimensional race of beings tries to conquer the Planet Earth with his army of monsters, called Terrible-Monsters. The newest...

The TLT is a covert international anti-monster unit established secretly to combat Space Beasts, mysterious monsters that are out to attack humans in...

The show takes place from 1944 to 2002 and follows the lives of three families: the Crawfords, who seek to cover up the Roswell crash and the...

20th-century astronaut Buck Rogers awakens in the 25th century after a freak accident puts him in suspended animation for 500 years. Upon returning...

The high commander of an alien expedition lands on Earth -- what he considers to be the least-important planet -- in human form as Dick Solomon....

After being brutally maimed by evil aliens, Dan Moroboshi (Ultra Seven) takes under his wing a fierce young Ultra-like being from L-77, and christens...

Detective Matthew Sikes, a Los Angeles police officer reluctantly works with "Newcomer" alien George Francisco. Sikes also has an 'on again off...

Five kids are given the power to morph into any creature they wish to help them fight villainous Visser Three and his fellow Yeerks, a breed of...

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

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...

Investigates a wide range of historically compelling topics and the mysteries surrounding each including the Titanic, D.B. Cooper, Roswell, John...

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

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

The documentary takes viewers through Janet Jackson's life and career, contain never-before-seen footage, and feature home videos from the legendary...

A documentary series exploring the myths and legends behind some of Hollywood’s notoriously “cursed” horror film productions. From...

Explore Marvel’s rich legacy of pioneering characters, creators and storytelling to reflect the world outside your window. Each documentary,...

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

Will Smith whose curiosity and wonder is positively infectious—is guided by National Geographic Explorers traveling to different corners of the...

Utilizing the latest scientific innovations and leading-edge filmmaking technology, this documentary reveals the secret powers and super-senses of...

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