... Behemoth black hole found in an unlikely place . ... galaxies . ... black holes . ... Dwarf galaxy harbors supermassive black hole . A black hole a million times more massive than the Sun in a star-forming dwarf galaxy is a strong indication that supermassive black holes formed before the buildup of galaxies. ... Supermassive black holes lie at the cores of all "full-sized" galaxies. ... Now, we have found a dwarf galaxy with no bulge at all, yet it has a supermassive black hole. ...