Sci-fi loves a multiverse. Everyone from Rick and Morty to Spider-Man has stepped through a portal and met their alter egos. My personal favorite use of this trope comes from the sitcom Community, ...

It’s no secret that the multiverse is having a major moment right now. What once existed on the fringes of scientific theory — and on the pages of comic books — is now a cultural staple. Marvel ...

Forbes contributors publish independent expert analyses and insights. An award-winning reporter writing about stargazing and the night sky. Do multiverses exist? Is our universe one of many? The ...