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 ...

A black hole is a region in space where gravity is so strong that nothing, not even light, can escape, formed from collapsed massive stars. Black holes form when massive stars collapse under ...

"Finding more supermassive black holes that are potentially hosting jets raises the question as to how these black holes grew ...

Strange x-ray pulses hint at a surprisingly long-lived white dwarf orbiting precariously close to a supermassive black hole ...

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

"If our eyes were able to detect X-rays, the sky would be full of dots. And every single one of those dots would be an ...

Galactic nuclei images reveal how supermassive black holes interact with their surroundings using infrared telescopes.

Researchers have found there are many more black holes in the universe than once thought. (Credit: WikiMedia Commons) Most ...

A strange black hole is making scientists scratch their heads.

A mysterious black hole has started behaving even more strangely, scientists have said. The supermassive black hole has been ...

Astronomers compile a large sample of an unusual class of objects in an effort to connect the dots to the early universe.