A new James Webb Space Telescope study finds that Sagittarius A*, the Milky Way's central black hole, constantly emits light from its swirling accretion disk. Credit: NASA / ESA / CSA / Ralf Crawford (STScI) illustration Scientists have discovered that the supermassive black hole at the center of the Milky Way buzzes with activity,

Astronomers have spotted displays of flashing lights and “fireworks” near a supermassive black hole at the center of the Milky Way galaxy, a finding researchers said could reveal details about how black holes—among the most mysterious objects in space—behave and interact with their environment.