The Hubble Space Telescope's evidence of an "intermediate-sized" black hole about 6000 light-years away in the closest globular star cluster to our home planet. Credit: NASA's Goddard Space Flight ...

Caltech’s Katie Bouman explains how the Event Horizon Telescope Collaboration captured the first imager of the Sagittarius A* Supermassive black hole at the core of the Milky Way galaxy - Milky Way vs ...