An international team of researchers has detected a binary star orbiting near Sagittarius A*, the supermassive black hole ...
NASA's Hubble Space Telescope has discovered a tidal disruption event 300 million light years away. The donut shaped remains of a star were found around a hungry black hole. Credit: NASA's Goddard Spa ...
By observing tiny ripples in spacetime called "gravitational waves" that propagate away from colliding black holes, ...