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 ...

Solar scientists have found tiny, short-lived jets of energy on our sun to be the primary drivers of the solar wind, marking ...