Conspiracy Week on WWF Radio Some of the more popular conspiracy theories floating about the world wide web and even some you may have never heard about. Join us all week long for our year end conspiracy week long extravaganza. What Is a Conspiracy Theory A conspiracy theory is an explanation for an event or situation that asserts the existence of a conspiracy, when other explanations are more probable. The term generally has a negative connotation, implying that the appeal of a conspiracy theory is based in prejudice, emotional conviction, or insufficient evidence. Conspiracy theory, an attempt to explain harmful or tragic events as the result of the actions of a small powerful group. A conspiracy theory is an explanation for an event or situation that asserts the existence of a conspiracy when other explanations are more probable.