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 ...

There may be another universe just a millimeter away from ours, hovering in an extra, hidden dimension. At any moment this second universe (or “membrane,” in M-theory—a relative of superstring theory) ...

Not every existential crisis ends in dread. In the best cases, it opens new dimensions. When Turkish-Austrian artist Alea Pinar De Pre conceptualized her most recent collections of works, it was to ...

Scientists have come up with theories about parallel universes that are so wild they’d make the most creative science fiction writers feel jealous. The idea that there are other worlds exactly like ...