Unidentified flying object Unidentified flying object (commonly
abbreviated as UFO or U.F.O.) is the popular term for any aerial
phenomenon whose cause cannot be easily or immediately
identified. Both military and civilian research show that a
significant majority of UFO sightings have been identified after
further investigation, either explicitly or indirectly through
the presence of clear and simple explanatory factors. - Some
years ago I had a conversation with a layman about flying
saucers — because I am scientific I know all about flying
saucers! I said "I don't think there are flying saucers'. So my
antagonist said, "Is it impossible that there are flying
saucers? Can you prove that it's impossible?" "No", I said, "I
can't prove it's impossible. It's just very unlikely". At that
he said, "You are very unscientific. If you can't prove it
impossible then how can you say that it's unlikely?" But that is
the way that is scientific. It is scientific only to say what is
more likely and what less likely, and n