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 ...

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 bound structures in the Universe and act as crucibles in which environmental forces shape the life cycles of their constituent galaxies. Within these dense ...

Using data from the Chandra X-ray Observatory, an ‘X-arithmetic’ technique 'sorts features in galaxy clusters and groups into ...

The focus of this NASA/ESA Hubble Space Telescope image is an active spiral galaxy on a journey lasting hundreds of millions ...

A large protocluster of galaxies that existed 12.6 billion years ago, first discovered with the Subaru Telescope, has been ...

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 study provides fresh insights into the formation of massive clusters in the early universe.

Spring means it’s time to look up into our night sky and find one of the oldest objects in our galaxy: the M3 Cluster. NASA and other sky experts call this group of ancient stars “a truly distant ...

A galaxy cluster over 6 billion light years away. Peering back in time to when the universe was younger than the Earth is now, the images span the period from around twelve billion years ago until one ...

Astronomers have spotted an unexpectedly hot galaxy cluster in the early universe that's challenging theories of galactic evolution. The scorching cluster existed just 1.4 billion years after the Big ...

Astronomers have discovered a tiny, ghostly galaxy in a remote corner of the universe, likely a cosmic castaway flung from its original galactic group billions of years ago and left to wander in ...