Browse - Most popular shows featuring: alien theories^x

These special compilation episodes of "The UnXplained" explore the world's most fascinating, strange and inexplicable mysteries.

The Secret of Skinwalker Ranch: Behind the Gates offers a more in-depth look at the mysteries surrounding the ranch and the team's investigations, often featuring interviews with team members and experts.

There are recordings of possible UFO and UAP sightings across the world which have created patterns. Alien Corridors investigates whether the Earth is being mapped by intergalactic forces. A team of multi-disciplined experts - believers and critics - investigates what these Alien Corridors are and what they mean.

To the ancients, the heavens were filled with awe and wonder. Looking out into space inspired fear, superstitions and the building of massive monuments like Stonehenge. Now, we examine the greatest mysteries of the past to see if they can finally be solved by modern science. Did Roman Emperors use massive monuments to track the sun and create solar special effects? Is there any truth to the ancient practice of astrology? Can astronomy explain the bad omens that terrified our ancestors? Does science support the ancient visions of Armageddon? Is there really a face on Mars? Are ancient Greek theories about alien planets now being confirmed by the Kepler Space Telescope? The truth is up there, hidden among the stars, in a place we call The Universe.