Astronomers working with decades of radio telescope data have identified what they describe as the first close pair of ...

The solution to astronomy's "final parsec problem" could come from the dark universe and it could change everything we know about dark matter. When you purchase through links on our site, we may earn ...

A supermassive black hole binary system (two black holes orbiting each other) has been directly identified in the final ...

All massive galaxies are believed to host supermassive black holes millions or billions of times the mass of the Sun. When galaxies merge — which we know they do, and frequently — it seems a foregone ...