astronauts while in space. These sightings have been claimed as evidence for extraterrestrial life by ufologists. Some of the alleged sightings never occurred:...

alleged sightings of unidentified flying objects or UFOs in Brazil. On 23 July 1947, topographer José Higgins was working with many laborers in Bauru,...

alleged sightings of unidentified flying objects or UFOs in Canada. According to a memo written by the Department of National Defence, sightings of unidentified...

List of reported UFO sightings "Alien encounter sparked Soviet missile crisis". 23 June 1997. UFO Stewart, Bill (March 22, 2012). "'UFO fragment' under...

This is a list of alleged sightings of UFOs in India. In New Delhi, members of a flying club reported a cigar-shaped object in the sky which was about one...

This is a list of alleged sightings of unidentified flying objects or UFOs in Greece. A fiery pillar appeared near Athens in 404 BC on a moonless, stormy...

is a list of notable alleged sightings of unidentified flying objects (UFOs) in the United Kingdom. Many more sightings have become known since the gradual...

This is a list of alleged sightings of unidentified flying objects or UFOs in Mexico. On August 12, 1883, the astronomer José Bonilla reported that he...

This is a list of sightings of alleged UFOs in Australia. In 1868, an alderman in Parramatta, New South Wales Frederick Birmingham spotted what he described...

This is a list of alleged sightings of unidentified flying objects or UFOs in China. The Meng Zhaoguo Incident refers to a supposed close encounter of...