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.

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.

The concept of parallel universes suggests endless realities could exist just beyond our perception. One could be nearly ...

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

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 ...

If a parallel universe existed consisting of so-called "mirror particles," however, the neutrons could temporarily swap places with its invisible twin before returning to its rightful place in ...

Since HG Wells imagined humans traveling in time with technology, literature has inspired science. Will time travel be possible one day?