The image of supermassive black hole Sagittarius A * was created using data from the Event Horizon Telescope Collaboration.

The light that the NASA/ESA Hubble Space Telescope collected to create this image reached the telescope after a journey of ...

Hubble Space Telescope snapped an image of UGC 11397, a spiral galaxy situated in the constellation Lyra, about 250 million ...

NASA/ESA's Hubble Space Telescope captures an image of the active galactic center in spiral galaxy UGC 11397, located in the ...

NASA's Chandra X-ray Observatory provides a new look at the Andromeda galaxy in this multi-wavelength image that includes ...

Supermassive black holes usually lurk unseen, but when an unlucky star drifts too close they ignite titanic outbursts ...

A distant cluster of galaxies is wrapped in a vast halo of high-energy particles that could be the work of supermassive black ...

Andromeda never looked as good as it does in a new image from the Chandra X-ray observatory and a range of powerful ...

Hubble spotted a rare off-center black hole shredding a star, revealing the first optical discovery of a wandering ...

“For example, Chandra’s X-rays reveal the high-energy radiation around the supermassive black hole at the center of M31 as ...

Researchers say there are far more supermassive black holes out there than we previously suspected, and they're starting to ...