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 ...

Alternate realities, parallel dimensions, and multiple universes. Whatever you call it, the notion of other versions of existence is one of the most popular tropes in science fiction. In some other ...

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 ...

One of the most startling scientific discoveries of recent decades is that physics appears to be fine-tuned for life. This means that for life to be possible, certain numbers in physics had to fall ...

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 ...

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 ...

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 ...

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 ...