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

NASA's Chandra and NuSTAR telescopes have teamed up to study a supermassive black hole-powered quasar that could have played ...

The Sagittarius A* supermassive black hole at the core of the Milky Galaxy may be "warping the spacetime surrounding it into a shape that can look like a football," according to the Chandra X-ray ...

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 ...

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

Since 2018, we've seen 1ES 1927+654 generate jets in real time and found it may have a lone white dwarf orbiting near the ...

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 ' ...

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

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

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