Another 'missing link' black hole discovered near the center of the galaxy

A group of international researchers at the University of Cologne in Germany recently discovered one of the rarest types of black holes in the universe. The researchers were observing a cluster of stars in the vicinity of a supermassive black hole named Sagittarius A (Sgr A) at the center of the Milky Way galaxy. They then discovered signs of an intermediate-mass black hole, a type of black hole that's sometimes referred to as the "missing link" of black holes, according to NASA . Black holes ra...