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

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

Using the XMM-Newton telescope, astronomers have witnessed high-speed "burps" erupting from a distant overfeeding ...

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

NASA, ESA, and ground observatories have observed black holes causing the most powerful space explosions ever recorded, revealing previously hidden black holes.

Using NASA’s Chandra X-ray Observatory and other telescopes, astronomers have found that a black hole that shredded a star has moved onto a another star or stellar black hole. Credit: NASA/CXC/A. Hoba ...

The Hubble Space Telescope's evidence of an "intermediate-sized" black hole about 6000 light-years away in the closest ...

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

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

The James Webb Space Telescope has observed a surprising alignment in the spin directions of ancient galaxies, challenging ...

The Andromeda galaxy, also known as Messier 31 (M31), is the closest spiral galaxy to the Milky Way at a distance of about ...