Escape becomes impossible in the event horizon, which is associated with black holes.
The existence of "naked singularities" is predicted to have existed in the 3D universe as previously thought to be at the center of black holes and hidden from view.
Scientists are ready to capture photos of black holes, but it might take a while before the public gets to see them.
Will the recent discovery of echoes in the gravitational waves of a black hole disprove Albert Einstein's General Theory of Relativity?