Our galaxy is full of stars ready to explode into supernovas, a stellar detonation powerful enough to destroy all life on Earth; it's an event that hasn't occurred in 400 years, and the search is on to locate which star may be next. 

New discoveries reveal an astonishing supermassive black hole that was born during the earliest days of the cosmos, and finding out how this giant grew so large so quickly may help to explain the very formation of the universe itself.