Massive stars have an outsized influence on their environment and the galaxies they call home. These behemoths have the ...

The most recent CSC update adds more than 400,000 unique compact and extended X-ray sources, as well over 1.3 million ...

At the heart of our own galaxy, there is a dense thicket of stars with a supermassive black hole at the very center. NASA's ...

A massive filament of gas and dust, designated X7, has been elongated during its long approach to the Milky Way galaxy's ...

New evidence reveals the Milky Way’s black hole once erupted, genes hide mutation hot spots, and AI accelerates sodium ...

We might be on track to hit a supermassive black hole a lot sooner than anyone expected. Tucked away inside the Large ...

The image of supermassive black hole Sagittarius A * was created using data from the Event Horizon Telescope Collaboration.

New research suggests that the x-ray light coming from the Milky Way’s central black hole Sagittarius A* has changed dramatically in the span of just a few hundred years Supermassive black holes are ...

M87 lies at the center of the galaxy Messier 87, about 55 million light-years from Earth. The black hole, with a mass ...

Combining observations from several powerful telescopes, astronomers have detected a gargantuan, 'wobbling' black hole ...

Astronomers have completed the most comprehensive census of active galactic nuclei (AGN) to date, providing the clearest picture yet of the probability that galaxies of different sizes host active ...

"It's like watching a cosmic volcano erupt again after ages of calm — except this one is big enough to carve out structures ...