Humanoid robots are rapidly reaching a level of sophistication that was thought to exist only in science fiction. But is the obsession with creating counterfeit humans really pointing the way to mankind's future - or to its past?

Is it possible that an advanced civilization inhabited Earth thousands of years ago? Could the stories of a time when gods and otherworldly beings inhabited the planet be more than just mythology?

Did aerospace engineer Wernher von Braun have secrets collected by the Nazis in WWII, or access to technology recovered from Roswell? Is it possible that the world's greatest rocket scientist found his inspiration not on our world, but another?

In nearly every culture there are stories of opposing forces at work here on Earth - forces of a supernatural or otherworldly nature. Could these forces really exist? And if so, what is the true nature of the dark forces?

Ancient astronaut theorists have suggested that many of the divine beings depicted in cultures throughout the world are not really divine - or mythological - but instead reflect extraterrestrial visitations that our ancestors did not understand.

Since the launch of the Kepler Telescope in 2009, scientists have identified thousands of planets capable of supporting life. Is it possible that this discovery could finally answer the age-old question: are we alone in the universe?

In August of 2014, Russian cosmonauts aboard the International Space Station discovered something incredibly unexpected covering parts of the windows - living sea plankton. If sea life can thrive in space, might the reverse be true as well?

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 present day USA.

Might the United States military really have a secret space programme? And if so, are we preparing for a space-based war with other nations... or other species?

In Iraq and Syria, thousands of ancient artifacts and relics have been deliberately destroyed. In the highlands of Tibet and the jungles of Central America, sacred texts have been systematically destroyed. Could this all be by design?

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.

Giorgio Tsoukalos takes a look back at the most incredible evidence ever uncovered that could offer definitive proof that we are not alone in the universe.

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?

In the nearly 2,000-year-old text called 'The Zohar' there is a curious passage that describes seven Earths - each of which is said to be populated by both human and non-human intelligences.

Ancient cultures around the world often referred to the gods as the "Immortals" - but could they have encountered extraterrestrial beings that had achieved eternal life?

In the 20th century, a mysterious British woman who claimed to be the reincarnation of an Egyptian priestess shocked Egyptologists by accurately locating artefacts in the Nile Valley. Was she carrying out an otherworldly agenda?

Studies have shown that up to 70% of all UFO sightings happen in so-called 'hotspots' where reports of visions, mysterious lights and unusual phenomena are regularly witnessed.

More than 10,000 crop circle formations have been documented in over 50 countries, and many display properties that defy conventional explanations.

The discovery of the ancient megalithic site of Karahan Tepe in southern Turkey turns the world of archaeology on its head.

The obelisks of ancient Egypt was perfectly carved from a single granite rock.

MUFON is the world's leading organization devoted to the scientific investigation of unidentified aerial phenomena and other unexplained encounters. Could MUFON's extensive database contain definitive proof of extraterrestrial visitation?

Meteor impacts changed the world, creating the ideal environment for human civilisation and providing essential metals. But could new evidence reveal that celestial objects have been directed to Earth by alien intelligence?

The Center for the Study of Extra-Terrestrial Intelligence defines a "Close Encounter of the Fifth Kind" as direct human contact and communication with extraterrestrial life. But will this classification only become useful in the distant future?

Pilots report terrifying UFO encounters, including aircraft control takeover & entire jumbo jets vanishing. Such unexplainable events have occurred since the dawn of aviation, leading to speculations about extraterrestrial presence in the airspace.

Enormous megalithic structures of mysterious origins - could the ancient mysteries that exist on the Mediterranean islands of Malta be connected to local legends of alien visitation and giant hybrid beings?

Counting down the world’s top ten pyramid sites, from a valley in Peru with over 250 hidden pyramids to an ancient Greek city with mysterious 4800-year-old ruins to Egypt’s famous Giza Plateau.

Counting down the world's top ten mysterious devices, from strange, grooved disks found in a cave in China to an ancient Greek computer. Might these sensational artefacts provide evidence of extraterrestrial visitation?

Counting down the world's top ten mysterious islands, including sites said to be home to giants and islands that disappear into thin air.

Counting down the top ten alien craft, from V-shaped objects to orbs of light to flying saucers.

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.

In the early 1900s, Edgar claimed to receive visions of both the past and the future while in a trance, he healed the sick, and alleged to have encounters with otherworldly beings. Could it be that he was a vessel used to carry out an alien agenda?

Counting down the top ten mysteries of the deep, from sunken continents to ruins on the ocean floor and even artifacts that may be remnants of Atlantis.

More than 3,000 years ago, the ancient Greeks credited their most monumental achievements to gods like Zeus, Apollo, and Poseidon. But is it possible that these powerful beings from Mt. Olympus were, in fact, extraterrestrial visitors to Earth?

In the 21st century, UFOs have gone from fringe science to mainstream obsession. UFO hunters are using incredible technology, and UFOs are being openly investigated. Are we closer than ever to understanding the strange events happening in our skies?

Talismans are seen as providing protection and good fortune. Some are even thought to embody a higher power. Could it be that what fuels our faith in talismans is not superstition, but a real connection to something beyond our world?

Did a biblical patriarch receive instructions from 200 angels high above the earth? Were the ancient Greeks taught how to work metal by a race of fish-people? And might Egypt's most controversial pharoah have been an extraterrestrial being?

Ancient Astronaut Theorist Giorgio Tsoukalos takes a look back at The Top Ten Extraordinary Creatures we've investigated creatures that just might provide compelling evidence of extraterrestrial visitation.

Ancient Aliens is counting down the top ten locations around the world that might be hiding alien bases, including a cavern beneath the ice of Antarctica, a lake in China that is a hotspot for UFOs, and a pyramid under the slopes of Mt. Denali.

Counting down the top 10 scariest encounters that just might be evidence of extraterrestrial visitation.

Counting down 10 intriguing symbols and codes found across the globe that might contain proof of otherworldly contact.

Ancient Aliens is counting down the top ten most devastating disasters ever documented that might have an otherworldly connection.

The ancient Sumerians established what is considered the world's first civilization, and they credited their extraordinary achievements to their gods, the Anunnaki.

For years, Scotland has been an epicentre of otherworldly phenomena. It is home to ancient stone circles, stories of strange beings and a major hotspot for UFO sightings.

Along the Earth's north 37th parallel there have been so many reports of UFO's and other mysterious events that it has been dubbed The UFO Superhighway.

There are mysterious ancient stones shaped into perfect spheres. Many of them show clear evidence of being manmade and some completely defy explanation. Could the mystery of the stone spheres provide clues about humankind's alien past?