Second only to black holes, neutron stars—incredibly dense star remnants—are the densest objects in the universe. When ...

Black holes are some of the most mysterious objects in the universe, but they aren’t always silent. When two black holes are ...

A powerful black hole collision has opened a new chapter in space science. Scientists used the loudest gravitational wave ...

The magnetic moment of the muon—a tiny property of a tiny particle—has long puzzled physicists. Experiments and theory haven’t quite matched up, leaving open the thrilling possibility of discovering ...

The 2026 budget request states that NSF will operate only one of the two LIGO sites, drastically reducing its cosmic listening ability. Reading time 3 minutes Nearly 10 years ago, scientists observed ...

Add Yahoo as a preferred source to see more of our stories on Google. Now, with the latest release of gravitational-wave data from the LIGO-Virgo-KAGRA collaboration, astronomers finally have enough ...

Across the cosmos, many stars can be found in pairs, gracefully circling one another. Yet one of the most dramatic pairings occurs between two orbiting black holes, formed after their massive ...

On Sept. 14, 2015 astronomers “heard” two black holes crashing into each other at close to the speed of light. This discovery was a watershed moment in physics and astrophysics, heralding an entirely ...

Quantum physics has a long history of producing results that seem impossible until someone finds a way to watch them happen ...