Add Yahoo as a preferred source to see more of our stories on Google. But physicist David Deutsch, often called “the father of quantum computing,” wants to take it a step further. He believes that one ...

Could parallel universes exist? If so, what would they look like and how would they form? Video by Greg Kestin; article by Charles Choi. Receive emails about upcoming NOVA programs and related content ...

Image: Ralph Losey using AI. In the history of technological revolutions, there are moments that challenge not only our understanding of what is possible but the very nature of reality itself.

Testing the multiverse hypothesis requires measuring whether our universe is statistically typical among the infinite variety of universes. But infinity does a number on statistics. If modern physics ...

Every time you make a choice, you spawn a multitude of universes, leading to umpteen other yous – some of them living very different lives. This raises a myriad of moral conundrums, from what we owe ...

"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." Comedian John Mulaney once said, "I don't know what my body is for other than taking my head from room to ...