At the center of the Milky Way, a supermassive black hole called Sagittarius A* is never at rest. Using NASA’s James Webb ...

NASA's flagship space telescope captured flares from the disk of superheated material around the black hole, revealing the dynamic—and explosive—physics at our galaxy's core.

Astrophysicists have observed our central supermassive black hole. They found the accretion disk is constantly emitting flares without periods of rest. Shorter, faint flares and longer, bright flares ...

Astronomers have used the James Webb Space Telescope (JWST) to take the longest look yet at our galaxy's supermassive black hole — and it's frothing with unusual activity.Situated 26,000 light-years ...