The show's concept of alternate realities has stirred curiosity and debates amongst the viewers. By delving into the thought ...

Multiple universes are predictions of the math behind existing theories, and the level one multiverse idea is predicted by a very well-respected and central concept in physics: inflation.

Multiple universes are accessed, in fiction, through portals in space or mystical necklaces or sometimes just in dreams, but always when characters break the rules of space time. In reality ...

Now, you can also have universes, you can also have multiverse proposals — that is, multiple universe proposals — where each universe only has three dimensions of space, and one of time.

Of all the universes out there, the one you're reading this one in is our favorite. But it might be time to rewrite its origin story for accuracy.

A 13th-century bishop's theory about the formation of the universe has intriguing parallels with the theory of multiple universes.

While there’s no definite answer — and probably never will be — the idea that there’s multiple versions of you, living in various universes, isn’t as make-believe as you might think.

Why shouldn’t inflation be happening continuously, creating new universes all the time? There didn’t seem to be any way to constrain inflation so that it yielded just one universe — and so the notion ...

The universe is expanding faster and faster, but not all scientists agree that dark energy is the cause. Perhaps, instead, our universe keeps colliding with and absorbing smaller 'baby universes ...

How do you understand the development of galaxies when even the younger examples are frequently billions of years old? Simulate as many universes as you can, apparently. Researchers at the ...

The multiverse is crashing into theaters this spring with "Everything Everywhere All at Once" and "Doctor Strange 2." Here's why we can't get enough.