For centuries, humans have looked to the stars and wondered about the universe’s vastness, shape, and structure. One question ...

About a century ago, scientists were struggling to reconcile what seemed like a contradiction in Albert Einstein's theory of ...

It might seem like a simple question: where is the center of the universe? But the answer is far from simple—and it’s not ...

A team of astronomers have put together the largest, most detailed map of the universe ever created – and you can explore it ...

Data from NASA's James Webb Space Telescope has revealed dozens of small galaxies that played a starring role in a cosmic ...

Astronomer Vera Rubin, now honored on a U.S. quarter, transformed our understanding of the universe by uncovering powerful ...

For instance, it’s hard to imagine something as big as the universe not having a center at all, but physics says that’s the reality. First, let’s define what’s meant by “expansion.” ...