Ancient Aliens

Examining 75 million years of the most credible alien evidence here on Earth, from the age of the dinosaurs to ancient Egypt to the skies over the western desert in the present day.

Over the past 20 years, thousands of potentially habitable exoplanets have been discovered outside our solar system. Could some be home to intelligent extraterrestrial life? Perhaps even alien beings that have visited Earth?

Giorgio Tsoukalos and David Childress explore the mysterious chain of manmade islets in Micronesia's Nan Madol, built from 250 million tons of volcanic rock, Might the site's powerful magnetic anomalies be the result of extraterrestrial technology?

In 1947 the U.S. military collected the debris of what they claimed was a crashed weather balloon outside of Roswell, New Mexico. But could new evidence prove the conspiracy theorists right?

Ancient Aliens is terug om de controversiële theorie te verkennen dat buitenaards leven de aarde al miljoenen jaren bezoekt. Van het tijdperk van de dinosauriërs tot het oude Egypte, en van oude grottekeningen tot voortdurende waarnemingen in de VS; elke aflevering van deze succesvolle HISTORY-serie werpt een historische blik op de vragen, speculaties, provocerende controverses, getuigenissen

From Egypt to Easter Island, towering figures built by ancient man stand watch over Earth. Are these stone giants simply a testament to humanity's past, or depictions of visitors from another world?

Shocking new evidence reveals that advanced civilisations might have existed on Earth tens of thousands of years ago. Is it possible that a technologically advanced society thrived on Earth then?

In numerous ancient cultures throughout the world, stories were told of ancestors that came to Earth from the Pleiades star cluster. Could new scientific findings reveal that humankind's true origins lie not on Earth... but 400 light years away?

In the Mojave Desert, there is a structure built to bestow everlasting life - and the blueprint was provided by an extraterrestrial visitor. Known as the Integratron, it has been called a work of genius, but could it provide the key to immortality?

Accounts of creatures that can shapeshift from one form into another can be found throughout history. Could striking similarities between the ancient stories and modern-day alien abduction accounts reveal that shapeshifters are real?

Nestled within a remote valley in Utah is a ranch that some believe is a hotbed of strange, inexplicable phenomena. Could the bizarre activity have a connection to an alien entity known as the Skinwalker?

UFO witnesses have reported a wide variety of objects in Earth's skies - and not only in modern times, but for centuries. What might we learn from examining their shapes, sizes, and the way they maneuver?

The White House has denied having any knowledge of alien craft visiting Earth, but presidential encounters with strange phenomena can be found going all the way back to George Washington.

In numerous sacred traditions, the number 12 holds a divine significance. It can be found repeated in ancient architecture, groups of 12 wisdom keepers, and even the latest scientific principles. Could this divine number be part of an alien code?