Cosmology and quantum physics both offer tantalizing possibilities that we inhabit just one reality among many. But testing that idea is challenging.

Our universe does host life, but another one might be even better suited for life. Here’s what you’ll learn when you read ...

If true, the idea would blow past one of physics’ most sacred limits: that parallel versions of reality can never talk to ...

The multiverse suggests that our universe may not be unique, but just one of countless others existing beyond our observable reality. Some versions arise naturally from inflation theory and quantum ...

There may be another universe just a millimeter away from ours, hovering in an extra, hidden dimension. At any moment this second universe (or “membrane,” in M-theory—a relative of superstring theory) ...

It’s one quantum leap for mankind. Parallel dimensions are no longer restricted to Marvel flicks. Google’s cutting-edge quantum chip Willow has prompted discussions among scientists about the ...

This universe is getting to be a lot. As if troubling political trends, climate change, and a rising billionaire class weren’t bad enough, the space beyond our little blue planet is equally full of ...

Add Yahoo as a preferred source to see more of our stories on Google. While parallel universes are a staple of science fiction, there are some real scientific theories to support them. But if parallel ...

CHICAGO -- For fans of the Marvel Universe, the wait is almost over: "Doctor Strange and the Multiverse of Madness" opens this week. It's the latest in the big-screen fantasy film series and it's ...

"I'm from a different space and time." Vertical has debuted an official trailer for an indie sci-fi thriller film titled Parallel, yet another multiverse / parallel universe concept coming to the big ...

Doctor Strange in the Multiverse of Madness director Sam Raimi has confirmed that a third parallel reality was cut from the 2022 sequel, as was a major action sequence.