That makes this the nearest supermassive black hole to us aside from the one called Sagittarius A*, or Sgr A*, situated at the heart of the Milky Way. Sgr A* is about 26,000 light-years from Earth.

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 radiation and jets can change the way gas is distributed ... Yusef-Zadeh and his colleagues observed Sagittarius A*, also called Sgr A*, for 48 hours over the course of one year in eight ...

Astronomers used the James Webb Space Telescope to observe Sgr A* and its disk for hours at a time over the course of a year, from April 2023 through April 2024. These were the longest continuous ...

While the events observed around Sgr A* are dramatic, this black hole is not as active as some at the center of other galaxies. An artist's concept shows the supermassive black hole at the center ...