Scientists have detected emanating from the nucleus of a galaxy relatively close to our Milky Way flashes of X-rays gradually ...

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

The black hole at the center of the M87 galaxy is 1000 times more massive than Sagittarius A*. Watch views of both captured by the Event Horizon Telescope (EHT) Collaboration. Credit: Space.com | ...

Researchers have found there are many more black holes in the universe than once thought. (Credit: WikiMedia Commons) Most ...

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.

The Andromeda Galaxy, our nearest galactic neighbor, is a majestic spiral galaxy like the Milky Way. Let’s uncover some ...

In any globular cluster, all its stars formed at the same time, from the same cloud of gas. The Milky Way has more than 150 known globular clusters; these objects are excellent tools for studying, for ...

These are the planets that will be visible with the naked eye. A rare parade of planets will light up the night sky ...

A large international team of scientists has observed a phenomenon that astronomers didn't ever expect to see happen in real ...

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