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

Movie multiverses are incredibly popular right now, but you probably didn't know about the one from the 1990s featuring ...

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

Deadpool & Wolverine was a movie that anyone watching superhero movies in the 21st century could find something to like; it played with nostalgia wonderfully. It was great to see Chris Evans come back ...

What is dark energy? Why does dark energy seem to be weakening? Is our universe part of a larger multiverse? What lies beyond the boundary of a black hole? The universe seems to be rotating, and if ...

For five seasons, the ambitious sci-fi series Sliders tackled the idea of a multiverse long before the MCU.

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

Sam Raimi created a great superhero horror movie with Doctor Strange in the Multiverse of Madness, but he has one regret.