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

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 ...

Add Yahoo as a preferred source to see more of our stories on Google. Scientists have long pondered on one of the universe's greatest mysteries: Are we alone? They have searched the cosmos, but so far ...

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 ...

The curious minds at What If investigate what would happen if we opened a portal to a parallel universe, exploring alternate ...

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 ...

Interest in the multiverse theory, suggesting that our universe is just one of many, spiked following the release of the movie "Everything Everywhere All At Once." The film follows Evelyn Wang on her ...

Foundations in science and physics exist at the very core of the Netflix's hit show “Stranger Things," demonstrating to audiences for over a decade that our universe may be "stranger" than we care to ...

While parallel universes are a staple of science fiction, there are some real scientific theories to support them. But if parallel universes do exist, could we ever travel to them? It certainly wouldn ...