A new theory published late last year is offering an explanation as to why our universe is expanding at an accelerating rate.

The Many-Worlds Interpretation Proposed by physicist Hugh Everett in 1957, the Many-Worlds Interpretation (MWI) of quantum ...

The multiverse theory, a mind-bending concept, proposes that our universe is not alone. Instead, it suggests a vast sea of universes, each with its own ...

But right now, cosmologists are trying to figure out if there’s a group of multiple ... other universes. So the biggest misconception about the multiverse is that it’s a bone fide theory ...

Physicists have performed a simulation they say sheds new light on an elusive phenomenon that could determine the ultimate ...

Filmmakers have been exploring stories related to multiple universes for a long time. In general, "multiverse" is a term scientists use to describe the theory of multiple universes existing ...

according to string theory, exist in parallel dimensional membranes—bump into one another, the impact sets off an astronomical Big Bang that generates a universe-worth of elements in the fiery ...

Physicist Alan Guth, the father of cosmic inflation theory, describes emerging ideas about where our universe comes from, what else is out there, and what caused it to exist in the first place.

The concepts of time travel and multiple timelines in ... a concept called the "many worlds" theory, each possible future and past exists as an alternate universe. Any changes in the past create ...