This NASA Hubble Space Telescope image features a galaxy cluster called CL0016+1609, or MACS J0018.5+1626, that is very ...

Using NASA's Chandra X-ray spacecraft, astronomers have performed deep X-ray observations of a galactic globular cluster ...

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

When you buy through links on our articles, Future and its syndication partners may earn a commission. NASA's Chandra X-ray Observatory revealed two new streams of gas trailing behind a galaxy within ...

Galaxy cluster cosmology results from eROSITA’s X-ray all-sky survey deliver the most precise late-universe measurement of matter density and clumpiness ever achieved from galaxy clusters, easing the ...

Astronomers at the University of Chicago, MIT and elsewhere have used a massive cluster of galaxies as an X-ray magnifying glass to peer back in time, to nearly 9.4 billion years ago. In the process, ...

The gas is so hot, between 10 million and 100 million degrees Celsius, that it radiates in powerful X-rays. When you purchase through links on our site, we may earn an affiliate commission. Here’s how ...

The investigation of real and simulated galactic clusters supports the lambda cold dark matter model of cosmology. When you purchase through links on our site, we may earn an affiliate commission.