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.

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 ...

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

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

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