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

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

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

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

Nick Hague and Suni Williams spent six hours working on NICER, AMS and other equipment outside the International Space ...

A strange black hole is making scientists scratch their heads.

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

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

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

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

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

Black holes themselves emit no light, but the supermassive black holes at the centers of galaxies are often surrounded by ...