The cluster is very bright at X-ray wavelengths and is one of the most extensively studied galaxy clusters at X-ray and radio ...

Researchers working with data from the South Pole Telescope have released a major catalog of galaxy clusters, giving ...

A powerful new survey has dramatically expanded humanity’s view of the cosmos by identifying more than 7,000 confirmed galaxy ...

Roughly 2.8 billion light-years from Earth, two galaxy clusters are engaged in a cosmic tussle. These enormous structures last collided about a billion years ago, but now, it appears they’re going ...

NASA's Hubble Space Telescope captured a stunning image of galaxy cluster CL0016+1609, aiding scientists in studying dark ...

Galaxy clusters are the most massive objects in the universe held together by gravity, containing up to several thousand individual galaxies and huge reservoirs of superheated, X-ray-emitting gas. The ...

Using the James Webb Space Telescope, astronomers have spotted a massive and densely packed galaxy cluster before such structures were thought to be possible.

X-ray observations of the cluster revealed that it is made up of two galaxy clusters merging along our line of sight.

Astronomers have explained how a galaxy cluster maintains its heat, despite emitting X-rays that cool the hot gas at its center. The group discovered the existence of a fast-moving, high-temperature ...

Only one billion years after the Big Bang, clusters of galaxies were already forming. This discovery pushes back the age of the youngest known galaxy cluster by a third, and shows that the largest ...

A UC Davis graduate student who is leading a study of the collision of galaxy clusters 5 billion light years away will discuss the team’s findings today, Jan. 10, in a press briefing at the annual ...