There’s a quiet kind of magic in spaces that feel both grounded and otherworldly. Think linen curtains catching the light ...

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 ...

The Perseus galaxy cluster taken by the Subaru Telescope at the Mauna Kea Observatory in Hawaii. The newly discovered subcluster is on the right. Overlaid in blue is the inferred distribution of ...

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 ...

These clouds of radio energy are "radio relics" resulting from powerful shockwaves surging through the hot gas that fills the space amid a galaxy cluster. Credit: Kamlesh Rajpurohit et al / https ...

The Perseus cluster is a vast swirl of thousands of galaxies, all bound together by gravity. Famed for its unbelievable size — containing the mass of some 600 trillion suns — it also has a reputation ...

The research group's impressive image of a galaxy cluster more than 6 billion light years away will be showcased as the European Space Agency's (ESA) picture of the month from April 29.

A swirling stream of hot gas in a galaxy cluster may solve the mystery of why these cosmic giants don’t cool down. Thanks to XRISM, scientists now see that this “sloshing” motion may be stirring heat ...

Gozaliasl, A. Koekemoer, M. Franco, and the COSMOS-Web team This hot gas is important as researchers know that many galaxy clusters have large amounts of intergalactic gas, and that this gas could ...