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 ...

The size and spin of black holes can reveal how and where they were born, and gravitational waves offer a way to decode this ...

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

Marcus Chown’s “A Crack in Everything” is a journey through space and time with the people studying one of the most enigmatic ...

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

The James Webb Space Telescope has captured a mid-infrared picture of Sagittarius A*, filling in a long-standing gap in ...

A strange black hole is making scientists scratch their heads.

"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 ...

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