Astronomers have discovered two massive black holes in a galaxy 2 billion light-years away. This marks the first time one of ...

The pair — dueling it out 11 billion light-years away in space — has given astronomers their first detailed look at a galaxy ...

Astronomers have witnessed for the first time a violent cosmic collision in which one galaxy pierces another with intense ...

Astronomers are using Hubble to study vivid gas clouds and newborn stars in the tilted spiral galaxy NGC 3511.

The Integral Sign Galaxy (UGC 3697) glows dimly and shows a warped, twisted structure indicative of past interactions.