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 ...

The idea of a multiverse consisting of “parallel universes” is a popular science fiction trope, recently explored in the Oscar-winning movie Everything Everywhere All At Once. However, it is within ...

Readers interested in science fiction grounded in real scientific inquiry can now follow the public development of Revelation Equation, a hard science fiction book project by Sam Toney, as its ...

Andrew Pontzen has received funding from UK Research and Innovation Quantum Technologies for Fundamental Physics. Katie Mack and Sabine Hossenfelder have nothing to disclose. Interest in the ...

The Big Ideas: What Is Reality? As they probe the secrets of the cosmos, scientists question whether our reality is but one in a multiverse. By Michio Kaku Dr. Kaku is a physicist. This essay is part ...

With a science paper published after his death, Stephen Hawking has revived debate on a deeply divisive question for cosmologists: Is our Universe just one of many in an infinite, ever-expanding ...