Explore 5 real images captured by NASA, revealing the mysterious and captivating appearance of black holes, offering a ...

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 ...

"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 ...

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

"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 ...

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

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

A strange black hole is making scientists scratch their heads.

The newly discovered "blazar," which has a mass equal to 700 million suns, is the oldest of its kind ever seen and changes ...