While parallel universes are a staple of science fiction, there are some real scientific theories to support them. But if parallel universes do exist, could we ever travel to them? It certainly ...

Whether other universes are membranes floating in space, or a quirk of quantum mechanics, this is how physicists think we’ll traverse the multiverse.

Mark Zuckerberg's metaverse seems like a parallel universe, but what is the metaverse? What is the mulitverse? Immersive worlds and parallel worlds explained.

Can we find a gateway to a parallel universe? Another major project for the particle-smashing LHC is to search for tiny black holes, which might be gateways to parallel universes and new dimensions.

However, Everett conceived of the parallel universes representing alternate histories of our given universe as existing independently without influencing or interacting with each other.

People Appear To Think Physicists Are About To Make Contact With A Parallel Universe According to dubious sources it is happening "within days".

If the theory of parallel universes with multiple timelines is correct, time travel would be a possibility. The idea could mean that in some universes, the asteroid that killed the dinosaurs ...

Could alien life exist in a parallel universe? Computer simulations from two new studies suggest the idea might not be out of this world. (Image credit: Shutterstock) ...

So, physicists accept parallel universes, sure, but even in the wildly theoretical world described by string theory, there are rules — and Into the Spider-Verse breaks a big one.