Take the plunge.
Forty-five years ago, a collaboration between Roger Penrose and Stephen Hawking transformed perceptions about black holes and the beginning of the universe.
For the first time, scientists have directly detected gravitational waves—the last unproven part of Einstein’s theory of general relativity.
Researchers estimate that there are millions of supermassive black holes hidden in the universe.
An excerpt from "The Science of Interstellar."