Could those who have made a multimillion-dollar industry out of promoting the idea of aliens visiting Earth in the distant past put on a show in Pasadena, home to Caltech and Jet Propulsion Laboratory, and attract scientists along with fun-seekers and the merely curious? Ancient astronaut theorists…. https://www.pasadenaweekly.com/2018/06/14/aliencon-links-the-worlds-of-space-travel-ufology-and-science-fiction-at-the-pasadena-convention-center/