These five movies prove the multiverse works best when it's more than just a cool spectacle.

James Cameron’s high profile sci fi movie Avatar, which hits theaters tomorrow, will be accompanied by a ton of accompanying merchandise and spinoff products. And thanks to a small company called ...

Do we live in a multiverse? Daydreamers and science-fiction authors have pondered parallel universes for as long as scientists have described our own. Our universe contains everything we know — from ...