If the universe is constantly splitting and branching anyway, then time travel simply moves you from one of those branches to another. Or, in another possibility, when you go back in time, you ...

If a new universe splits off every time a particle is measured and the gun either fires or doesn't, then in one of those universes, the physicist will end up surviving, say 50 particle measurements.

The theory of cosmic inflation, which says that soon after the Big Bang our universe experienced an explosive period of exponential growth, was proposed by Alan Guth, now at MIT, in 1980.

Kitchener-Waterloo Large Hadron Collider could show parallel universes exist, say researchers World's largest particle accelerator, near Geneva, Switzerland, is starting up again ...

Imagine a cosmos containing multiple parallel universes, each with its own version of you, and its own laws of physics. If two collide, there's a very big bang.

A Google quantum computer's ability to solve an impossible problem in under five minutes has left researcher believing it is working in multiple parallel universes simultaneously.

When thinking about parallel universe movies, Mr. Nobody is likely the first that comes to mind to most people who grew up during the 2000s.

Let's explore the possibility of traveling to universes beyond our own — if they so exist, that is. When you purchase through links on our site, we may earn an affiliate commission. Here’s how ...