Definition: Flying saucer is the term used to describe unidentified flying objects that are often described as having a flat and round shape such as a disc, a spiral disc, or a wheel disc.History: The term flying saucer was first used in reports of photographs and statements by eyewitnesses claiming to have seen strange objects flying through space, shaped like disc-like form, late 1940s and early 1950s.Phenomena and Research: Reports of flying saucers often cause interest and controversy. Some people believe that flying saucers are evidence of extraterrestrial encounters, while others believe that they can be explained by natural or technological phenomena.In culture and entertainment: Images of flying saucers have become part of popular culture and entertainment, appearing in books, movies, television and video games. Incidents involving flying saucers are often mentioned in science fiction books and in horror or adventure films.