Beyond numbers and scales, this video reflects on what it means to exist inside such immensity. It shows how, despite our ...

It’s always amazing, and more than a little humbling, when the universe reminds us that our “common sense” is provincial, falling apart on cosmic scales. If you’re on the surface of Earth—and I’m ...

Astronomers have stumbled onto a structure so vast and so oddly shaped that it threatens to upend one of cosmology’s most ...

Velocity streamlines within the reconstructed volume, with colored envelopes associated with the prominent nearby basins of attraction. The map and streamlines have been cropped to the region covered ...

UC Santa Cruz physicist Stefano Profumo has put forward two imaginative but scientifically grounded theories that may help solve one of the biggest mysteries in physics: the origin of dark matter. In ...

Astronomers have long struggled with a troubling puzzle: a significant portion of normal matter in the universe appeared to be missing. Scientists knew this matter had to exist based on predictions ...

A new theory claims dark matter and dark energy don’t exist — they’re just side effects of the universe’s changing forces. By rethinking gravity and cosmic timelines, it could rewrite our ...