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Theorists suggest that Shiva, an important Hindu god, may have been the leader of an extraterrestrial faction that came to Earth wielding advanced technology, pointing to an ancient rock-cut Hindu temple as proof.

Ancient Aliens

Shiva the Destroyer

Ancient mythologies tell stories of humans being abducted by otherworldly beings, even as thousands of people continue to report being taken by aliens and then returned with implants and genetic mutations.

The Returned

The U.S. military denies that the 1947 Roswell crash involved anything other than a weather balloon, but theorists claim that other UFO crashes were reported all over the world at the same time as the crash and that the wreckages were retrieved.

Beyond Roswell

Many believe that the rise of communism led to secrecy surrounding ancient and modern extraterrestrial contact in Russia; theorists point to the archeological site of Arkaim as evidence that extraterrestrial visitations took place in Russia.

Russia's Secret Files

After Apollo 17 in 1972, the United States ends the Apollo program, leaving some to wonder if the astronauts found more than what NASA wants the public to know.

Space Station Moon

Recent archaeological finds suggest that humans once shared the planet with various types of intelligent human-like species in a real-life version of "The Lord of the Rings."

The Prototypes

Theorists suggest that compelling evidence of extraterrestrial visitation exists in China, the cradle of one of the earliest and most influential civilizations on Earth.

The Hidden Empire

Stories of emperors, kings and pharaohs consulting a pantheon of nine gods are found in many cultures lending credence to the theory that there is an intergalactic council of nine working behind the scenes to monitor and guide humanity.

The Mysterious Nine

In Australia, Aboriginal people tell sacred stories about sky gods visiting Earth in fire-spewing crafts and "seeding" the planet.

The Wisdom Keepers

Theorists suggest that the iconic religious symbol of the cosmic egg demonstrates that human ancestors possessed a knowledge of the DNA double-helix spiral and human biological coding.

Decoding the Cosmic Egg

Theorists suggest that extraterrestrials have been communicating with mathematicians and engineers through the universal language of mathematics and binary code, influencing Nikolai Fyodorov and other visionaries to advocate for space exploration.

The Visionaries

Satellite images, ground-penetrating radar and thermal scanning leads to new evidence that appears to substantiate the belief held by millions of people that Earth has been visited in the past by extraterrestrial beings.

The New Evidence

Texts, archaeology and legend contain evidence of past human-extraterrestrial contact.

S11 E12 | Russia's Secret Files

E15 | Shiva the Destroyer

E14 | The Returned

E13 | Beyond Roswell

E12 | Russia's Secret Files

E11 | Space Station Moon

E10 | The Prototypes

E9 | The Hidden Empire

E8 | The Mysterious Nine

E7 | The Wisdom Keepers

E6 | Decoding the Cosmic Egg

E5 | The Visionaries

E4 | The New Evidence