And, scientists with the National Aeronautics and Space Administration (NASA) have detected what they like to call a ...

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

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

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

Caltech simulations reveal what happens when black holes collide with neutron stars—violent cracking, intense shock waves, ...

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

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

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 ...

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