A black hole infamous for strange features has once again baffled astronomers, this time with rapid X-ray flashes. What could ...

Astronomers have witnessed a monster supermassive black hole erupting with a light-year-long jet traveling at one-third the speed of light.

Every galaxy has a supermassive black hole at the center. Some of them are considered active while others are inactive, depending on how quickly material is falling onto them, Isbell said.

Astronomers have discovered a supermassive black hole-powered quasar that may have helped "turn on the lights" in the early universe The intense brightening and dimming of this quasar was observed ...

Strange vibrations emanating from a supermassive black hole appear to be growing more frequent and they could be caused by a white dwarf star orbiting perilously close to its event horizon.

Here’s how it works. Astronomers have discovered a supermassive black hole that's shooting a giant energy beam directly at Earth. The cosmic juggernaut, which is about as massive as 700 million ...

Sgr A*, at the heart of the Milky Way and clocking in at 4.3 million solar masses, is the closest supermassive black hole we have access to. It's also on the quiescent end of the activity scale, which ...

They show two blobs of hot gas moving away from the supermassive black hole at some 33 percent the speed of light. “This is unprecedented. We’ve never had this happen. We’ve never been ...

Multiple NASA telescopes recently helped scientists search the sky for supermassive black holes—those up to billions of times heavier than the sun. The new survey is unique because it was as likely to ...

Astronomers have watched as a supermassive black hole enjoying a stellar meal flashed twice in a rare and powerful event. This double-flash Tidal Disruption Event (TDE) could result from the black ...

A new type of observation reveals what makes the cores of active galaxies glow. Active galactic nuclei (AGN) are supermassive black holes at the centre of certain galaxies. When these black holes ...

Within those two years, the fluctuation period ramped up from every 18 minutes to just seven minutes – the first-ever measurement of its kind around a supermassive black hole. If this signaled ...