The image of supermassive black hole Sagittarius A * was created using data from the Event Horizon Telescope Collaboration. At the same time several telescopes, including the Chandra X-ray Observatory ...

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

Black holes are some of the universe's greatest mysteries, incredibly dense and sometimes massive void that suck in anything and everything that passes their event horizons. Now a relatively nearby ...

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

The first black hole that astronomers observed "turning off" just turned back on, releasing jets of hot gas into the cosmos.