From New York Post (tabloid):
So much for sci-fi-movie-informed notions that extraterrestrials are benevolent beings aiming to better humanity.
Former NASA astronaut Charles Duke claimed that UFOs are demons masquerading as angels, citing a Bible passage as evidence. “The Lord says what we’re seeing is real, but the devil can appear as an angel of light, the Bible says,” said the 91-year-old ex-spaceman during a recent appearance on the Christian Broadcasting Network.