Could multiple universes actually exist beyond our reality? In this discussion, Maneeza Ahuja explores multiverse theory, ...

For decades, scientists, philosophers and science fiction writers have been fascinated by the idea of parallel universes — realms that may exist beyond our own, each potentially with its own version ...

Ever since Plato first told his students the allegory of the cave, people have wondered whether dimensions exist beyond the three we immediately perceive. An extra dimension—time—played a role in ...

Scientists have come up with theories about parallel universes that are so wild they’d make the most creative science fiction writers feel jealous. The idea that there are other worlds exactly like ...

Not every existential crisis ends in dread. In the best cases, it opens new dimensions. When Turkish-Austrian artist Alea Pinar De Pre conceptualized her most recent collections of works, it was to ...

Paul M. Sutter is an astrophysicist at SUNY Stony Brook and the Flatiron Institute, host of Ask a Spaceman and Space Radio, and author of "Your Place in the Universe." Sutter contributed this article ...