Scientists are investigating the possibility that our universe isn't the only one after detecting a mysterious gravitational wave ...

A newly published book focuses on parallel space races involving Jeff Bezos and Elon Musk, and America and China.

Since assuming leadership, Carr has emphasized making the U.S. “the most friendly regulatory environment in the world” for ...

Scientists have come up with theories about parallel universes that are so wild they’d make the most creative science fiction ...

A fringe new theory suggests that time is the fundamental structure of the physical universe, and space is merely a byproduct. According to Gunther Kletetschka, a geologist — not a physicist, you’ll ...

The original version of this story appeared in Quanta Magazine. At the beginning of time and the center of every black hole lies a point of infinite density called a singularity. To explore these ...