Astronomers have discovered what may be the most massive black hole ever known in a small galaxy about 250 million light-years from Earth, scientists say. The supermassive black hole has a mass equivalent to 17 billion suns and is located inside the galaxy NGC 1277 in the constellation Perseus. read more
An artist's illustration of a monster supermassive black hole at the heart of a quasar in the distant universe. Scientists say the newfound black hole SDSS J010013.02+280225.8 is the largest and brightest ever found. read more
Introduction. A supermassive black hole (SMBH) is the largest type of black hole, on the order of hundreds of thousands to billions of solar masses (M ☉), and is found in the center of almost all massive galaxies. read more