The blazar, named J0410–0139, is located about 12.9 billion light-years away at the center of a galaxy. This makes it the ...
The James Webb Space Telescope has captured a mid-infrared picture of Sagittarius A*, filling in a long-standing gap in ...
Active galactic nuclei (AGN) are among the most energetic phenomena observed in the universe. These luminous objects, powered ...
A startling discovery made public in July that metallic rocks were apparently producing oxygen on the seabed of the Pacific ...
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.
NASA's Chandra and NuSTAR telescopes have teamed up to study a supermassive black hole-powered quasar that could have played a key role in ending the cosmic dark ages.