The Andromeda galaxy, our closest spiral neighbor to the Milky Way, becomes prominently visible in the night sky during ...

NASA Chandra X-ray telescope data from galaxy cluster Abell 2146 showed a "shockwave that stretches for some 1.6 million ...

It turns out that looming collision between our Milky Way and Andromeda galaxies might not happen after all. Astronomers reported Monday that the probability of the two spiral galaxies colliding is ...

What does it look like when galaxies collide? The Hubble Telescope captured a unique sight as two galaxies are in the process of merging. NASA says the galaxy, called NGC 1614, is about 200 million ...

Scientists at Johns Hopkins may be closing in on dark matter’s elusive trail, uncovering a mysterious gamma ray glow at the ...

Webb Telescope detected a possible direct collapse black hole between two merging galaxies called the "Infinity Galaxy." ...

Astronomers still don't know what started the motion. It could have been a past collision with a smaller, dwarf galaxy that caused the large shake, ESA officials said, but more investigation is ...

A team of scientists from the Istituto Nazionale di Astrofisica (INAF) in Italy, led by astronomer Eloisa Poggio, looked ...

When galaxies collide, it's not a gentle affair, but it does take millions of years. Over this time, the two massive star ...

CC0 Usage Conditions ApplyClick for more information. Astronomers taking inventory of the material in the local universe keep coming up short. A new result from NASA’s Chandra X-ray Observatory about ...

Supermassive black holes stand out for their fundamental role in the evolution of galaxies and the history of the universe.

A new image from NASA's Hubble telescope shows spiral galaxy ESO 137-001 slamming through the Norma Cluster, spewing streams of gas in a fiery collision, and it's providing excellent fodder for ...