Right at the brink of a black hole, gravity twists space and time so violently that ordinary physics starts to fall apart.

Leading X-ray space telescopes XMM-Newton and XRISM have spotted a never-seen-before blast from a supermassive black hole. In ...

New observations reveal that the relationship between ultraviolet and X-ray light in quasars has changed over billions of ...

A record-bright LFBOT exposes violent encounters between black holes and stars, helping astronomers understand extreme black ...

In a remarkable breakthrough published in The Astrophysical Journal Letters, an international team of astronomers using ...