When black holes collide, they temporarily form one lumpy and unstable large black hole that needs to settle down into a simple, round shape. This settling and shifting releases the gravitational ...

Just three numbers—that’s all it takes to completely, unequivocally, 100 percent describe a black hole in general relativity. If I tell you the mass, electric charge, and spin (i.e., angular ...

Nasa have released a clip of what a black hole sounds like. The US space agency released a clip of the noise made at the centre of the Perseus galaxy cluster, around 200 million light-years away ...

Take gravity, add quantum mechanics, stir. What do you get? ... At a black hole’s center, matter shrinks to infinite density and the known laws of physics break down.