Galaxy clusters are the largest gravitationally bound structures in the universe, with each containing hundreds or even ...

Astronomers have discovered a previously hidden "cosmic fuel tank" in an infant cluster of forming galaxies. This vast reservoir of cool molecular gas is found in the protocluster known as SPT2349-56, ...

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 team of astronomers used a cluster of galaxies like a magnifying glass to discover two never-before-seen distant galaxies. Pandora's Cluster warps the fabric of space-time, creating a visual effect ...

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

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 ...

A young galaxy cluster spotted by the Chandra X-ray Observatory may have gotten a head start on "relaxing" before is galactic siblings. When you purchase through links on our site, we may earn an ...

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.

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 ...

This image shows the colliding galaxy clusters that make up the system PSZ2 G181 in blue, flanked by a pair of radio shock fronts in red © X-ray: NASA/CXC/CfA/Stroe ...

S targazers are in luck this Wednesday, November 26, as two major cosmic sights will be visible to the unaided eye. The ...

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