A 13th-century bishop's theory about the formation of the universe has intriguing parallels with the theory of multiple universes.

Recent discoveries have reignited excitement and curiosity in the scientific community, suggesting the possible existence of ...

A work to be published in the Physical Review D posits a test, and some interesting conclusions, for multiverse theory. Multiple, or alternate, universes might, less excitingly, be called 'very ...

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 ...

Planets, stars, and even cats don’t appear in multiple states at once. The universe follows predictable rules, behaving classically according to Einstein’s theory of general relativity.

The multiverse theory, that our universe is one of multiple or bubble universes, may be testable according to a new study that aims to verify the theory of eternal inflation.

The concept of multiple universes coexisting is a popular one in science fiction like the forthcoming Marvel movie but it is founded in science theory.

Just not in this particular universe. I’m talking about the multiverse theory; the mind-bending idea that there are many if not innumerable other universes beyond our own.