Caltech’s Katie Bouman explains how the Event Horizon Telescope Collaboration captured the first imager of the Sagittarius A* ...

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

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.

Astronomers have captured the most detailed infrared images yet of an active galactic nucleus (AGN), using the Large ...

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 | ...

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

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

About 13 billion light-years away there is a supermassive black hole actively sending out a spectacular beam of energy directly towards Earth. Interestingly, this isn't just any black hole; it's a ' ...

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

In the wake of director David Lynch's death, NASA has joined the throngs of mourners celebrating the life of the "Mulholland ...

A large international team of scientists observed a rare event in real time: a dramatic increase in radio emission and the ...