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 ...

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

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

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

Some supermassive black holes, known as quasars, are so massive they can superheat the material doom-spiraling within their accretion disk to ... 2020 and is around 12.8 billion light-years ...

In 2018, a galaxy about 270 million light-years away from Earth exhibited a major increase in activity. It quieted down again ...

Astronomers have captured the most detailed infrared images yet of an active galactic nucleus (AGN), using the Large ...

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

Supermassive black holes can have trillions of times more mass than the Sun, only exist in specific locations, and could ...

A large international team of scientists has observed a phenomenon that astronomers didn't ever expect to see happen in real ...

It appears this white dwarf is not making a death plunge but rather has stabilized its orbit around the black hole ...