Pseudoscience and Science Fiction

Aliens, flying saucers, ESP, the Bermuda Triangle, antigravity ... are we talking about science fiction or pseudoscience? Sometimes it is difficult to tell the difference.

Both pseudoscience and science fiction (SF) are creative endeavors that have little in common with academic science, beyond the superficial trappings of jargon and subject matter. The most obvious difference between the two is that pseudoscience is presented as fact, not fiction. Yet like SF, and unlike real science, pseud...