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 ...

Multiple universes and parallel worlds are all the rage in film and TV these days from the Marvel cinematic universe toStranger Things. But multiverses are more than just fiction, many scientists are ...

The mind-boggling concept of a multiverse – where our universe is just one of many – may have taken a giant leap toward ...

Thanks to science fiction, we all have a basic grip on the theory of the multiverse: the idea that there are innumerable parallel worlds in which the chances and choices of the past – the roads not ...