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 ...

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 ...

Is it preposterous to consider the existence of parallel universes? Or is it preposterous not to? Physicist Brian Greene would tend toward the latter view. The Columbia University theoretical ...

Add Yahoo as a preferred source to see more of our stories on Google. Thanks to science fiction, we all have a basic grip on the theory of the multiverse: the idea that there are innumerable parallel ...

I can’t be the only one here displeased by our current timeline. It’s pretty hard to experience endless COVID, debates about whether it’s genocide or just a little ethnic cleansing, and climate change ...