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 ...

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 ...

11 years ago, Star Trek quietly introduced one of the coolest worlds in its multiverse without anyone knowing. In recent years, the franchise has explored more and more of its multiverse, and in ...