So asking, " Where's the center of the universe? " is somewhat like asking, "Where's the center of the balloon's surface?” ...

In the past, people thought the Earth was the center of the universe and everything revolved around it. This was a fairly reasonable idea given what they observed around them at the time. As ...

So in asking about the center of the universe, we’re confronting the limits of our intuition. The answer we find – everything, expanding everywhere, all at once – is a glimpse of just how ...

In our universe, there is no such “interior ” to anchor a center. Just as there is no center on the surface of a balloon, there is no central point in the universe.

And in regard to the universe, that’s true, sort of. Expansion might also mean “everything is getting farther from us,” which is also true with regard to the universe.

As the universe expands, it feels like it must be spreading out from some initial point. But a physicist explains why that’s not how it works. Hint: space-time is involved.