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

The James Webb Space Telescope's ancient "little red dot" galaxies have been seen as a sign of "broken cosmology." Feeding ...

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

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

Using the MIRI instrument onboard the James Webb Space Telescope, an international team of scientists made the first-ever ...

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

The interferometer team, led by Steve Ertel, associate astronomer of Steward Observatory, observed several phenomena ...