Whether you need a new villain or an old Spider-Man, your sci-fi movie will sound more scientifically respectable if you use the word multiverse. The Marvel multiverse puts different versions of our ...

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 ...

Parts of physics seem like sci-fi, something I have been fascinated by since the sixth grade. Specifically, the idea of the multiverse — that there is more than one universe, splitting off from the ...