Has planet Earth ever had a close encounter with aliens? NGC explores significant UFO sightings, interstellar travel, whether ETs could survive on Earth, interspecies communication, alien abduction cases, and whether life on Earth originated in space.
Why do so many people claim to have been visited or abducted by aliens? Are these sightings mere hallucinations or something more?
Experts interviewed consider most to have been concocted by the brain operating in a culture awash in UFO images and folklore. Studies show that dreams can be triggered by something as simple as electromagnetic waves.
CLICK HERE TO DOWNLOAD