Scientists find evidence of new type of black hole hiding in our own galaxy

Scientists have known for a while that big and small black holes exist. The largest, supermassive black holes, lurk at the center of galaxies, while small black holes result from the collapse of huge stars. But if there's big black holes and small black holes, there's got to be something in between, right? Researchers have long assumed so, but lacked much in the way of evidence. Now, a team led by Tomoharu Oka of Keio University in Japan believes it has found some solid data to back up a theory ...