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

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

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

Is there a center to the universe? Modern physics says no. Explore why the cosmos expands everywhere at once and why the Big ...

How the pioneering scientist, and namesake of an enormous new telescope, forced astronomers to rethink the universe.

An illustration of the cosmic web, the universe’s large-scale structure of composed of galaxy-rich clumps and filaments alongside giant intergalactic ...

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.” ...

The thing we think of as the "center" of the balloon is a point somewhere in its interior, in the air-filled space beneath the surface. But in this analogy, the universe is more like the latex ...

For thousands of years we assumed the earth was the center of the universe. When Galileo advanced the proposition that the ...

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