Galaxies’ spiral arms are responsible for scooping up gas to feed to their central supermassive black holes, according to a new high-powered simulation. Started at Northwestern University, the ...

In context: Supermassive black holes are among the most extreme phenomena that humans have discovered in outer space. They possess a mass hundreds of thousands, or even millions to billions of times ...

A new model is bringing scientists a step closer to understanding the kinds of light signals produced when two supermassive black holes, which are millions to billions of times the mass of the Sun, ...