Unidentified flying object sightings are reported regularly across the world. While UFOs have been reported throughout recorded history, the majority of those sightings have been recorded since the beginning of the 20th century.Continue Reading
Reports of UFO sightings have increased steadily since the first recorded sighting in 214 BCE. Sightings were reported more regularly from the beginning of the 20th century until, by the 1940s, the rate of reporting had increased to an average of one per year.
Records of sightings have been maintained in seven countries. The United States has reported a high number of sightings since the first well-known UFO sighting occurred in 1947. In the summer of 1952, the number of UFO reports had climbed to such a level that the Central Intelligence Agency prompted the U.S. government to establish a panel of scientists to investigate the phenomena.
Reported sightings vary from individuals spotting an individual UFO to groups of people seeing groups of UFOs. Sightings have been reported from the ground, from the air and from outer space. Some reports claim supposed close encounters and abductions. Many alleged sightings have been recorded on film.Learn more about Astronomy