The MCU’s multiverse is no longer the purview of a handful of characters and a few movies. Avengers: Endgame‘s Time Heist might have saved the universe, but it also set the MCU on a much more complex ...

Humans live in a universe; that is a fact. Up for debate, though, is whether that universe lives in a sea of other universes—a multiverse. The idea of a multiverse is the subject of much science ...

Pick up any science fiction book from the 1960s, and you’ll find parallel dimensions explained through magic portals or mysterious machines that work “just because.” Today’s readers want stories that ...