"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 ...

Active galactic nuclei are supermassive black holes at the center of certain galaxies. As matter falls into these black holes ...

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

The dense stellar remnant would, if confirmed, be the closest known object to any black hole, according to preliminary ...

Astronomers have detected a mid-infrared flare from the supermassive black hole at the heart of the Milky Way galaxy for the ...

"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 found far more hidden black holes than previously known, indicating plenty of behemoths lurking in thick clouds ...

Using the MIRI instrument onboard the James Webb Space Telescope, an international team of scientists made the first-ever ...

Regular pulses of X-ray radiation emanating from a supermassive black hole could be explained by a white dwarf star on the ...

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

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