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 theory that our universe is contained inside a bubble, and that multiple alternative universes exist inside their own bubbles – making up the ‘multiverse’ – is, for the first time, being tested by ...

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How can we tell if another universe has collided with our own? Physicists in Canada and the US believe they have the answer – it would leave "a unique and highly characteristic" imprint in the ...

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 ...

The theory that our universe is contained inside a bubble, and that multiple alternative universes exist inside their own bubbles – making up the 'multiverse' – is, for the first time, being tested by ...

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 ...