In fact, only three factors can be used to define a black hole: its mass, its angular momentum and its electric charge. In reality, that charge will be neutral or very close to it, so in practical ...

Black holes embody the ultimate abyss. They are the most powerful sources of gravity in the universe, capable of dramatically ...

Astronomers believe they have spotted an elusive intermediate-mass black hole shredding a distant star, and they have re-created the stellar murder in a stunning new animation.