String theory proposes that, underneath it all, the universe is made up of little one-dimensional threads that vibrate in different ways to make the particles with which we’re familiar.

The idea that we might all be living in one of any number of universes, the multiverse theory is a popular one, but when you look at the mathematics of it all, is it actually plausible that such a ...

Are parallel universes just a wild theory or something more? In this deep dive, we explore multiverse theory, its many interpretations, and whether we can ever truly know what lies beyond our ...

Indeed, to my taste, the multiverse itself is already too close to fiction. Many theoretical physicists have argued the conclusion that we live in a multiverse is based on sound scientific reasoning.

Back to Article List Is the multiverse theory science fiction or science fact? Parallel universes could exist, whether cosmologists can prove it or not.

But most proponents of the hypothesis have tended to agree that the majority of alternative or parallel universes would be inhospitable to life as we know it.