Galaxy cluster Abell 1489 is seen here in an image from the International Gemini Observatory. Galaxy cluster Abell 1489, as imaged by the International Gemini Observatory, contains more than 200 ...

This Hubble image features a massive cluster of brightly glowing galaxies, first identified as Abell 3192. Like all galaxy clusters, this one is suffused with hot gas that emits powerful X-rays ...

has unveiled the latest deep field image from NASA’s James Webb Space Telescope (JWST): an unprecedented look at the region of space known as Pandora’s Cluster, with never-before-seen details of three ...

This scene of cosmic chaos shows a section of the immense Perseus galaxy cluster, revealing several giant elliptical galaxies, a dusty spiral whose arms are fading, and several edge-on galaxies ...

Astronomers have made a groundbreaking discovery in the Perseus galaxy cluster, located 240 million light-years from Earth. For the first time, a dark matter bridge has been detected linking two ...

This particular galaxy cluster lies at a vast distance of 4.6 billion light-years from Earth. Provided by NASA's Goddard Space Flight Center ...

Astronomers have used the James Webb Space Telescope (JWST) to spot the most distant galaxy cluster ever found, located nearly 30 billion light years away. All seven galaxies in the clump had been ...

A distant galaxy seems to be the only one left in its cluster. It has all the signatures of a galaxy cluster that should contain hundreds of galaxies, but it appears to be all alone, which may ...

Galaxies and clusters are the ensembles of stars and other astronomical objects bound together by gravitational forces. Galaxies are ordered into galaxy groups, which are in turn organised into ...

Data from the XRISM X-ray satellite provide unprecedented detail on how ionized plasma moves in massive galaxy clusters — a question with huge cosmological and astrophysical implications.

Super star clusters are young clusters of stars thousands of times bigger than our sun that are all packed in a small area. Our galaxy used to produce more clusters billions of years ago ...