In 2017, news breaks that the Department of Defense recently spent millions investigating reports of UFOs; the latest disclosure about a series of secret government UFO projects dating back decades.
Researchers claim hidden messages can be found within the works of Leonardo da Vinci, and other art throughout history, that may reveal an extraterrestrial influence.
In 2017, a strange, cigar-shaped object enters the solar system from another star system, traveling in such an unusual trajectory it causes some astronomers to suggest that it could be an extraterrestrial craft.
Theorists speculate about the existence of black holes on Earth, which may explain strange disappearances and other inexplicable phenomena.
Researchers study giant ancient drawings found etched into the desert floor, which may be a part of an ancient alien code.
A look at whether or not Area 51's notoriety acts as a cover-up to much bigger, top-secret extraterrestrial experiments taking place at multiple locations.
Ancient astronaut theorist Giorgio A. Tsoukalos explores the latest scientific discoveries at some of the world's most ancient places to find evidence that extraterrestrials visited Egypt in the distant past.
Treasure hunter Marty Lagina and Ancient Astronaut theorist Giorgio A. Tsoukalos explore the bizarre statues, mysterious pyramids and gigantic structures left behind by one of the most mysterious cultures in the ancient world in Sardinia, Italy.
Millions of people around the world claim to have been abducted by extraterrestrials; whether or not these extraordinary accounts are some form of mass psychological delusion still remains unanswered.
Seven stone giants stand guard over a Pacific island. But what are they protecting - and from whom? Ancient Astronaut theorists Giorgio A. Tsoukalos and David H. Childress explore a Polynesian land of bizarre figures and forbidden places in search of what could be the ultimate evidence of mankind's extraterrestrial origins.
A secret alliance hidden in plain sight. Joint space missions with undisclosed agendas. Have the United States and Russia been working together from the very beginning of the Space Race - in preparation for the ultimate extraterrestrial encounter?
Ancient cultures from around the world believed that meteorites were sacred stones imbued with the power of the Gods; Ancient Astronaut theorists ask whether or not these space rocks could be pieces of extraterrestrial technology.
A look at whether or not intelligent robots are a threat to humanity or the next step in human evolution; as man and machine begin to merge, humanity could be fulfilling a destiny prepared for by aliens thousands of years ago.
Erich von Däniken's "Chariots of the Gods- suggests that aliens visited Earth in the distant past, and there are those who believe that he will be proven right.
An examination of possible encounters humans could have once colonies are established beyond Earth.