... Behemoth black hole found in an unlikely place . Gravitational wave search provides insights into galaxy evolution and mergers . ... galaxies . ... black holes . ... Four spiral galaxies in Leo . ... Astronomer leverages supercomputers to study black holes and galaxies . ... Stelios Kazantzidis from Ohio State University is working to unlock some of the mysteries surrounding the formation of vast galaxies and the evolution of massive black holes with his own large constellation of silicon wafers. ...