Important to any analogy is an understanding of its limitations. Some flaws are obvious: A balloon is small enough to fit in ...

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

The center of the universe isn’t real. A physicist unpacks why space expands everywhere at once, proving there's no central ...

A new landmark study has pinpointed the location of the universe's "missing" matter, and detected the most distant fast radio ...

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 ...

For thousands of years we assumed the Earth was the center of the universe. When Galileo advanced the proposition that the Earth revolved around the sun and was, in fact, only one of many planets ...