My night musings often drift to deep truths of existence: thoughts on cosmos, consciousness, meaning (if any). I can't help it. That's why I'm entranced by the idea of a multiverse, the theory that ...

Throughout the existence of life on Earth, we have always been plagued with the question — are we alone? Regardless of humanity’s contrasting beliefs, there has always existed the undeniable fact that ...

Anyone can come up with a theory, which in common parlance, simply means "an idea for how something works." But in order to be a scientific theory, you have to do a lot more. In particular, any new ...

Ever wondered how Star Trek evolved from a science fiction adventure into a sprawling multiverse of alternate realities? In ...

Scientists are working to bring the multiverse hypothesis, which to some sounds like a fanciful tale, firmly into the realm of testable science. Never mind the Big Bang; in the beginning was the ...

The multiverse is one of the weirdest ideas in science – but it might just be real. Find out how in the second episode of our new video series, Science with Sam From bubble universes to a mirror world ...

Advances in physics over the past 30 years have led some physicists and cosmologists to the mind-boggling conclusion that the universe we inhabit is just one of many in existence — perhaps an infinite ...

Marvel’s Doctor Strange is a movie about a surgeon who becomes a mystical sorcerer with the ability to travel between different dimensions. Nonetheless, when it came time to craft its otherworldly ...

Robert Lawrence Kuhn is the creator, writer and host of "Closer to Truth," a public television series and online resource that features the world's leading thinkers exploring humanity's deepest ...

Sabine Hossenfelder is a research fellow at the Frankfurt Institute for Advanced Studies in Germany. Her research focuses on general relativity and quantum gravity. She is author of the blog ...