An enormous rectangular-shaped 'structure' has been spotted on a map of the seafloor, sparking theories that an alien base ...

MBARI and NOAA scientists share breathtaking footage of an elusive deep-sea bigfin squid.

A little over a month after former President Barack Obama re-opened the door to discussions about extraterrestrial life, a new study shows how frequently people think they could have spotted aliens.

Alien and UFO sightings have been anomalies for decades. While the existence of extraterrestrials has become a laughingstock, with SNL making humorous alien sighting skits and Area 51 taking over meme ...

Aliens described in some reported UFO encounters may resemble figures long associated with demonic or spiritual phenomena, ...