It’s one of those questions that creeps into your mind late at night: what if there’s another version of you […] ...

There are so many universes in the abyss of time and space. Being in the right one, where I can meet all the people who have ...

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 ...

"There was a time when ‘universe' meant ‘all there is,' " writes Greene, but soon we may have to redefine that word, along with our own meager understanding of the cosmos. A theoretical physicist and ...

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 ...