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 ...

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 ...

Google’s new quantum computer chip, named Willow, is able to run computations so complex that it would supposedly take the world’s fastest supercomputers the entire lifetime of the universe to ...