The 2025 US stamps offer up a lot of familiar faces, among them Betty White. We’ll always miss her.

Giant radio galaxies are cosmic megastructures that can span millions of light-years, making them some of the largest-known ...

The University of California San Diego is positioning itself as a leader in astronomical research as its new Department of ...

A mysterious fast radio burst from a dead galaxy challenges theories, hinting at unknown cosmic forces producing powerful ...

NASA discovered black holes fueling their own growth by cooling gas, creating a cycle of jets, filaments, and feeding, ...

Observations from NASA's Chandra X-ray telescope and the VLT have revealed jets blasting from supermassive black holes cause ...