The following gallery is a collection of documents created by professional and amateur SETI researchers. SETI (the Search for Extra-Terrestrial Intelligence) is a fascinating field that has blurred the lines of fact and fiction since its inception. The first UFO (Unidentified Flying Object) sighting, reported in 1958, at the height of the space race between the U.S. and the Soviet Union, sparked a movement spanning conspiracy theorists, astronomers, science fiction authors and eventually government intervention.