Many works of fiction have featured UFOs. In most cases, as the fictional story progresses, the Earth is being invaded by hostile alien forces from outer...

explanations for UFOs, namely that they are caused by natural phenomena, human technology, delusions, and hoaxes. Beliefs surrounding UFOs have inspired...

In ufology, conspiracy theory, science fiction, and comic book stories, claims or stories have circulated linking UFOs to Nazi Germany. The German UFO...

younger, he saw a UFO. A UFO incident at the Cincinnati International Airport in 2017 motivates him to prove the existence of UFOs being of extraterrestrial...

Role in the Study of UFOs, 1947–90". Archived from the original on October 1, 2019. Retrieved May 3, 2010. "UFOs". nationalarchives.gov.uk. "UFO reports...

science fiction writer Otto Binder perpetuated a hoax claiming Apollo 11 Commander Neil Armstrong had encountered UFOs during the Apollo mission. UFO proponents...

Culture Has Changed the Way We See UFOs". Artsy. Menzel, Donald Howard; Boyd, Lyle Gifford (1963). "Descriptions of UFOs". The World of Flying Saucers: A...

A UFO religion is any religion in which the existence of extraterrestrial (ET) entities operating unidentified flying objects (UFOs) is an element of...

continue investigating UFOs. He maintained that the men were secret government agents tasked with suppressing evidence of UFOs. Ufologist John Keel claimed...

sightings of unidentified flying objects (UFOs) and related claims of close encounters or abductions. UFOs are generally considered to include any perceived...