Brian Dunning is a prolific skeptical podcaster with his award-winning show "Skeptoid" coming up on its 700th episode.

Dr Michael Shermer is founder of The Skeptics Society, and editor-in-chief of its magazine Skeptic. He's written several books on science and skepticism and his latest work is an audio-only 12-part course on Conspiracies.

UFO Jesus is a popular advocate of UFO “disclosure”, the belief that the US Government is close to revealing that it knows that some UFOs actually are the result of alien visitors. We talk about...

Jason Bermas is a producer, writer, and YouTuber, best known for conspiracy documentaries such as Loose Change, Fabled Enemies, Shade, and Invisible Empire. Loose Change was a seminal documentary for the 9/11 “Truth” movement, and...

Nick Pope is a journalist and media commentator who writes and talks a lot about the UFO phenomenon. He is perhaps best known for a role he undertook for the British Government from 1991 to...

Ian goes by the name TheoryQED on Metabunk and his YouTube Channel, where he posts about UFOs. Unlike me, and definitely unlike my last guest (Seth Shostak), Ian thinks there's something highly significant to the UFO phenomenon

Seth Shostak is the Senior Astronomer for the SETI Institute and former Director of Center for SETI Research. A popular science communicator, Seth has hosted SETI’s weekly radio show (and now podcast) Big Picture Science...

Donald Friedman, P.E., F.ASCE, is a professional engineer with more than 25 years of experience in the investigation, analysis, and restoration of landmark buildings. He has taught engineering  at Rensselaer Polytechnic Institute, the University of...

JM Talboo runs the web site http://911debunkers.blogspot.com subtitled "Debunking the Debunkers of the 9/11 Truth Movement". His focus is on debunking people like me.

Mike Rothschild is a writer who is an expert on a variety of conspiracy theories, in particular QAnon. We discuss the drawn-out decline of the QAnon theory, prosperity scams, and the theories around the death...