The problem with string theory, according to some physicists, is that it makes too many universes. It predicts not one but some 10 500 versions of spacetime, each with their own laws of physics. But ...

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 ...

Do we live in a multiverse? Daydreamers and science-fiction authors have pondered parallel universes for as long as scientists have described our own. Our universe contains everything we know — from ...

Professor Stephen Hawking's final theory on the origin of the universe has just been published. Professor Stephen Hawking's final theory on the origin of the universe, which he worked on in ...

Advances in physics over the past 30 years have led some physicists and cosmologists to the mind-boggling conclusion that the universe we inhabit is just one of many in existence — perhaps an infinite ...

Forbes contributors publish independent expert analyses and insights. The Universe is out there, waiting for you to discover it. The Universe is all there ever was, all there is, and all there will ...