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

NASA, ESA, and ground observatories have detected powerful space explosions caused by black holes tearing apart massive stars ...

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 ...

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

Readers doubtless know that metals expand when heated. As explained in a NASA blog post that’s a problem for space telescopes because if their components warm and expand it can mean that the shape of ...

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

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

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

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 ...