Why do many people staunchly defend their opinions and beliefs even in the face of overwhelming evidence that their ideas and views are totally incorrect? One explanation is the common phenomenon of ...

What is Hugh Everett's theory of parallel universes, and do physicists today buy it? Hear from Everett's biographer. Half a century has passed since 27-year-old Hugh Everett III published a version of ...

The idea that the universe splits into multiple realities with every measurement has become an increasingly popular proposed solution to the mysteries of quantum mechanics. But this “many-worlds ...