Parallel universes exist. Only rarely do they collide. A mere razor's edge divides them. Feet firmly planted, I straddled that thin dividing line, almost by accident. Standing at the downtown bus stop ...

This universe is getting to be a lot. As if troubling political trends, climate change, and a rising billionaire class weren’t bad enough, the space beyond our little blue planet is equally full of ...

What if you’re living just one version of your life—while countless others unfold in parallel realities? Discover the mind-bending theories behind parallel universes, how quantum physics, cosmic ...

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 ...