This Google Maps image captured in 2021 revealed a mysterious, triangular dark patch in the middle of the Pacific Ocean, ...

Using the James Webb Space Telescope (JWST), scientists discovered that the Milky Way 's central supermassive black hole, Sagittarius A* (Sgr A*), is constantly streaming out flares without respite.

The way this "accretion disk" of infalling matter spins can tell scientists a lot about a particular black hole — for example, its size and its orientation in space. It also offers insight into ...