Pick up any science fiction book from the 1960s, and you’ll find parallel dimensions explained through magic portals or mysterious machines that work “just because.” Today’s readers want stories that ...

The theory of cosmic inflation predicts a multiverse: an enormous number of Universes that experience hot Big Bangs, but each of those regions where a Big Bang occurs are completely separated from one ...

The multiverse subgenre of cinema is growing. There are a handful of new films every year exploring this uncharted new territory, experimenting with big ideas and mind-bending storytelling. Not every ...