The most precise measurement of the expansion rate ever made suggests an unknown force may be affecting the universe.

Explore 25 universe mysteries scientists are still scratching their heads over, from dark matter to the Big Bang's secrets.

(Viaframe/Stone/Getty Images) Although our Universe appears to be stable, it might just be in a temporary state of false calm ...

The simulations will be used by astronomers to test the standard model of cosmology. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. The world's ...

James is a published author with multiple pop-history and science books to his name. He specializes in history, space, strange science, and anything out of the ordinary.View full profile James is a ...

Scientists studying a mysterious effect called cosmic birefringence—a subtle twist in the polarization of the universe’s oldest light—have developed a new way to reduce uncertainty in how it’s ...

Astronomers have created the largest and most detailed 3D map yet of a glowing signal from the early universe, revealing hidden galaxies and gas from 9-11 billion years ago. By analyzing faint ...