Kenneth Arnold's Changing Opinions on What UFOs Were

Over at Mysterious Universe there's a new article from me on Kenneth Arnold, the guy who practically created the UFO phenomenon in the summer of 1947. It's a little-known fact, however, that by the start of the 1960s Arnold's views on UFOs had significantly changed. By then, he had discarded the extraterrestrial theory and came to believe that UFOs were living creatures themselves; large jellyfish-type beings that soared around the highest levels of the Earth's atmosphere. You can find the article here...