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 ...

Eternal chaotic inflation, which generates multiple universes, builds from the theory of cosmic inflation, originated by physicist Alan Guth at the Massachusetts Institute of Technology.

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 ...

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.

Cosmology—the science of trying to understanding how our universe began—suggests our universe may not be unique, or the only one. String theory also suggests the possibility of other universes.

Just weeks before his death, Stephen Hawking had been working with theorist Thomas Hertog on research into multiple parallel universes, or a multiverse.

Before his death on March 14, theoretical physicist Stephen Hawking was deep in thought about the possibility of universes that exist well beyond our own — places with completely unknown ...