Businessman Russ Kellett maintains that he has had close encounters with alien visitors since he was 16.
Two researchers have come up with a possible answer as to why we have yet to encounter intelligent aliens.
According to a new study, it may be quite a long time before we're likely to hear from ET.
It's not a new idea, but should we really be broadcasting our existence to anyone who is listening ?
The former MoD UFO investigator has suggested that alien monitoring devices could be disguised as common animals.
A close encounter in 1997 left Sacha Christie scared of leaving the house in fear of being abducted by aliens.
Harvard physicist Avi Loeb has suggested that some interstellar meteorites could be artificial in nature.
Plans to beam Earth's location out into space could have unintended consequences, an Oxford scientist has warned.
Dr David Jacobs of Temple University has reached a rather startling conclusion about abductees' experiences.
Detecting potential signs of alien life is one thing, but confirming it beyond any shadow of a doubt is quite another.
Scientists at JPL have been planning to send a new message into space for intelligent aliens to pick up.
The search for alien life in the universe is ramping up thanks to new, more powerful computers and techniques.
The abduction of two men by alleged alien entities almost 50 years ago remains one of the world's most chilling abduction cases.
Walton disappeared from a remote forest trail after he and his workmates encountered a UFO.
The search involved scouring the heavens with the Murchison Widefield Array telescope.
The former MoD UFO investigator has warned that we would stand no chance whatsoever against hostile extraterrestrials.
Known for his 'out there' alien theories, Tsoukalos started his career very differently.
The spoon-bender-in-chief believes that a recently discovered neutron star is actually evidence of aliens.
A pair of new Discovery+ documentaries will cover two of the world's most chilling alien abduction stories.
An image captured by a hunter in Redgate is being hailed as evidence of an extraterrestrial visitor.