Six panels (clockwise) illustrating a black hole pulling in a star, stretching it into a disk, radiating light, and the light from the event from a distance, with a galaxy in background ...

NASA's Hubble Space Telescope recently discovered one of the most massive black holes ever.Don't fret, though — it's nowhere near us so it won't be sucking you or me into its depths. Located in ...

Five million years ago, when humanity's ancestors were just learning to walk upright, a star was ejected from Sagittarius A*, the supermassive black hole at the center of the Milky Way Galaxy, at ...