With masses that dwarf anything in the stellar realm, supermassive black holes are central to galaxy evolution. This analysis compares them to other cosmic giants—like dark matter halos and galactic ...

Two black holes have collided on November 23, 2023, and it’s changing everything scientists thought they knew about the creation of them.

Scientists are using pulsars to detect the gravitational wave 'hum' created from supermassive black hole mergers. Credit: ...