Ancient Aliens

In 2021, the United States government broke a 70-year precedent of denying UFOs. Will we soon discover that they are, in fact, of extraterrestrial origin?

It is one of the greatest mysteries of the prehistoric world: why did people on nearly every continent erect giant standing stones?

Some of the world's most iconic sacred temples were built atop the ruins of structures that are far more ancient. What compelled early humans to rebuild in the same places again and again?

Across the globe, high-ranking government officials are openly talking about Unidentified Aerial Phenomena. But why now? Ancient Astronaut theorists suggest the truth about an extraterrestrial presence on Earth will soon be revealed.

The most sacred relic of the ancient world: The Ark of the Covenant. Could descriptions of the Ark's incredible power reveal that it was a highly advanced technological device?

In the traditions of native peoples across North America are stories of the Star Ancestors: powerful beings who descended to Earth in the distant past and are sometimes present even today.

Since 2017, the Navy has been releasing photos and videos of Unidentified Aerial Phenomena, and Ancient Astronaut Theorists suggest the incredible images are nearly identical to accounts from centuries ago.

Millions of people around the world have reported encountering shadowy entities who instill fear, shortness of breath, and even paralysis. Is it possible that the so-called "Shadow People" are more than mere figments of the imagination?

Throughout the ancient world, tales were told of fire-breathing dragons. Is it possible that what our ancestors described as winged monsters descending from the sky were visitors from other worlds?

Today, more people than ever before believe that UFOs are of alien origin. But if extraterrestrials have come to Earth from lightyears away, could they be capable of bending both time and space?

Giorgio Tsoukalos takes a look back at some of the most incredible structures we've visited all over the world. Structures that, as far as Giorgio is concerned, provide undeniable evidence of extraterrestrial contact.

Giorgio Tsoukalos takes a look back at the most extraordinary encounters that, as far as he's concerned, provide evidence of an extraterrestrial presence on Earth.

Ancient Aliens has examined the oldest and most mysterious rock art on Earth. Now, Giorgio Tsoukalos takes a look back at the incredible hieroglyphs, petroglyphs, and geoglyphs that, he believes, tell a worldwide story of alien visitation.

Ancient Aliens has met with eyewitnesses and travelled to the sites of UFO incidents. Now, Giorgio Tsoukalos looks back at the most compelling investigations of all, and events that he believes represent real encounters with extraterrestrials.

Ancient Aliens has investigated the world's oldest and most incredible relics up close and in person. Now, Giorgio Tsoukalos takes a look back at the most mysterious artifacts from all over the globe.

Ancient Aliens examines 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 US.

In Ireland, the notion of the fairy folk dates back thousands of years and originates with stories of powerful shining beings who came down from the sky. Could these tales have been inspired by ancient alien visitation?

Is there any truth to the controversial theory that extraterrestrials have visited Earth for millions of years? Decide for yourself with Ancient Aliens.