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

Are parallel universes just a sci-fi fantasy—or a serious possibility modern physics can’t ignore? In this episode, we break down what “the multiverse” actually means, the biggest versions of the idea ...

Below, Halpern shares five key insights from his new book, The Allure of the Multiverse: Extra Dimensions, Other Worlds, and Parallel Universes. Listen to the audio version—read by Halpern himself—in ...

Multiple universes and parallel worlds are all the rage in film and TV these days from the Marvel cinematic universe toStranger Things. But multiverses are more than just fiction, many scientists are ...

In the season 2 episode "Mirror, Mirror," Star Trek perfected the alternate universe trope long before Hollywood's multiverse obsession.

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 ...

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) ...