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 ...

Check out the cosmic sprawl.

Proto-supercluster COSMOS-z3.1-A, the most distant ever found, was mapped in 3D by the ODIN survey and published in The ...

The largest sample of galaxy groups ever detected has been presented by a team of international astronomers using data from the James Webb Space Telescope (JWST) in an area of the sky called COSMOS ...

Astronomers studying a distant galaxy cluster stumbled upon ancient radio signals that might hold clues to the formation of the early universe. While studying the distant galaxy cluster known as ...

Galaxy clusters represent the most massive gravitationally bound systems in the Universe, comprising hundreds to thousands of galaxies embedded in a vast halo of dark matter and suffused by a hot, ...

Astronomers studying a distant galaxy cluster stumbled upon ancient radio signals that might hold clues to the formation of the early universe. While studying the distant galaxy cluster known as ...

The most precise late-universe measurement of how much matter fills the universe — and how unevenly that matter is distributed — was presented at the 248th Meeting of the American Astronomical Society ...

Galaxy clusters are the most massive bound systems in the Universe, their intracluster medium (ICM) heating to tens of millions of kelvin and emitting predominantly in X-rays. X-ray spectroscopy ...

New X-ray imaging method maps sound waves, shocks, bubbles and cooling gas in galaxy clusters, revealing stronger black hole feedback in groups. (Nanowerk News) Galaxy clusters are the most massive ...