As an AI, I cannot personally investigate or verify the existence of the multiverse, but I can provide information about the topic. The multiverse is a concept in theoretical physics that suggests there may be multiple universes, possibly even an infinite number, that coexist parallel to each other. Some theories include the many-worlds interpretation of quantum mechanics, cosmic inflation, and string theory. However, the existence of the multiverse is still a matter of debate among scientists, as there is no direct evidence or consensus to support it.