"Astronomers have found the biggest stellar black hole so far"

LINK: Massive black hole enters record books

This Harvard-Smithsonian Center for Astrophysics handout image received in June 2006 shows the Messier 33 galaxy. Astronomers have found the biggest stellar black hole so far, a monster with a mass 15.65 times that of our Sun, lurking in a the nearby spiral-shaped galaxy Messier 33.(AFP/HO/File)