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 ...

The multiverse is not just science fiction but a serious theoretical framework in physics, suggesting that every decision you ...

Do we live in a multiverse? Daydreamers and science-fiction authors have pondered parallel universes for as long as scientists have described our own. Our universe contains everything we know — from ...

Over the last few years, the box office has been dominated by films like "Spider-Man: Across the Spider-Verse" that explore ideas of parallel universes, quantum worlds and alternate lives. There's ...

Just weeks after the turn of the 17th century, Giordano Bruno was burned alive by the Roman Inquisition for, among other things, claiming the existence of a plurality of worlds and their eternity. The ...

This article was published in Scientific American’s former blog network and reflects the views of the author, not necessarily those of Scientific American In 1990 I wrote a bit of fluff for Scientific ...

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 ...

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 idea of a multiverse consisting of "parallel universes" is a popular science fiction trope, recently explored in the Oscar-winning movie "Everything Everywhere All At Once." However, it is within ...

Forbes contributors publish independent expert analyses and insights. The Universe is out there, waiting for you to discover it. The Universe is all there ever was, all there is, and all there will ...

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 ...