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

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 ...

Decades ago, astronomers estimated that “ordinary” matter (basically everything that isn’t dark matter or dark energy) makes ...

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

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

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

Harvard & Smithsonian (CfA) and California Institute of Technology, have made a major breakthrough by locating the "missing" ...

Astronomers have finally tracked down missing "ordinary" matter, which they discovered hiding as gas spread out in the vast ...

The James Webb Space Telescope has revealed dozens of tiny, distant galaxies piercing the fog of the cosmic dark age in the ...

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.” ...