Carl Sagan once wrote about the possibility that ancient Sumer was visited by benign extraterrestrial beings.
A new YouGov poll has indicated that more people now believe that UFOs may be extraterrestrial in origin.
Ben Walgate has spoken out about a childhood experience that developed into a life-long passion for UFOs.
Footage recorded in 2006 allegedly shows an unidentified entity entering a man's bedroom in the middle of the night.
Harvard astronomer Avi Loeb and colleague Amir Siraj believe that they have identified another interstellar visitor.
The James Webb Space Telescope may not find evidence of alien life, but the next telescope probably will.
One of the pioneers of the modern field of the search for extraterrestrial intelligence has sadly passed away.
The Harvard astronomer believes that a meteoroid that fell to Earth in 2014 could contain alien technology.
Controversy surrounds the claim that a prominent researcher has found an 'alien' mummy in Mexico.
A new documentary by filmmaker James Fox will explore the circumstances surrounding the incident.
A very strange (and somewhat questionable) video has emerged online showing a mysterious alien-like figure.
Researchers have suggested that we may be listening out for the wrong type of extraterrestrial communications.
A coin hobbyist has posted up a photograph of a coin which features the face of an extraterrestrial.
China's 'Sky Eye' telescope has picked up possible evidence of extraterrestrial intelligence.
Data collected during the early days of the SETI@home project is now at risk of being lost.
The Israeli spoon bender has put an extraterrestrial spin on the Voyager 1 probe's recent technical issues.
A new study has attempted to estimate how many intelligent alien civilizations pose a threat.
Published in 1698, the book offers a unique look into how people from the time perceived the possibility of extraterrestrial life.
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.