How did supermassive black holes get big so fast? Astrophysicist Souphie Koudmani tells us how she and her colleagues are finding out.

As you can probably imagine by this point, falling into a black hole would be terrifying. "If you fell into a black hole, the gravitational pull would stretch you out in a process called ...

Black holes exert a tremendous influence on their surroundings, meaning that when they spin, they literally drag the very fabric of space and time around with them. That means nothing can sit still ...