If true, the idea would blow past one of physics’ most sacred limits: that parallel versions of reality can never talk to ...

Are there universes out there parallel to our own? It’s a question scientists have sought to answer for ages, but so far has proved impossible to solve. The laws of physics are often at the front of ...

Is there evidence for the existence of an enormous number of other universes? In 1987, Steven Weinberg wrote a cute little paper entitled “Anthropic Bound on the Cosmological Constant”. Weinberg was ...