The Chandra X-ray Observatory view of galaxy group NGC 4839 has revealed that it is "plunging into the Coma galaxy cluster and leaving behind an extraordinary tail of superheated gas," according to ...

A compilation of various images from the James Webb Space Telescope shows the effects of gravitational lensing caused by dark ...

NASA's SPHEREx is exploring the galaxies to answer the question of where we all come from while sending back jaw-dropping ...

Lang (Perimeter Institute) A vast river of neutral hydrogen bridges two galaxies that are beginning to enter the monstrous Virgo Cluster, and this structure is helping astronomers better understand ...

What is the biggest object in the universe? Learn more about the biggest objects in the universe, including galaxies, galaxy clusters, and dark matter.

A dazzling new image produced using both the James Webb Space Telescope and the Hubble Space Telescope has revealed one of the most detailed views of the universe to date, NASA has announced. Created ...

Astronomers have been watching this galaxy pair, NGC 4532 and DDO 137, for years and discovered a "gas bridge" over 185,000 light years long.

The discovery of the most distant galaxy cluster with a specific important trait – as described in our press release – is providing insight into how these gigantic structures formed and why the ...

The most distant galaxy cluster yet has been discovered by combining data from NASA’s Chandra X-ray Observatory and optical and infrared telescopes. The cluster is located about 10.2 billion light ...

Spring has sprung — and for lovers of deep-sky objects, that means it’s galaxy season. This is a time of the year when that pesky, band of glowing stars and shadowy dust that we call the Milky Way is ...

The galaxy cluster is filled with bubbles blown into X-ray emitting gas, producing some of the deepest sounds ever heard. When you purchase through links on our site, we may earn an affiliate ...

Does dark matter interact with itself? The answer may lie in vast clusters of colliding galaxies. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works.