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

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 ...

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

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 ...

The joint Japan-U.S. Suzaku mission is providing new insight into how assemblages of thousands of galaxies pull themselves together. For the first time, Suzaku has detected X-ray-emitting gas at a ...

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, ...

NGC 2264 is a cluster of young stars that has been colored and rotated to emphasize its nickname of the “Christmas Tree Cluster”. Astronomers have released new “Christmas Tree Cluster” images using ...

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 ...