Beehive cluster, a group of 1,000 stars, will be visible to stargazers in January. How to see it, what’s visible to naked eye ...

The Beehive Cluster, a group of about 1,000 stars, will be visible to skywatchers throughout January. Here's how to see it in ...

The galaxy cluster appears hotter and more mature than it should for its young age, challenging what we think we know about ...

Astronomers have discovered a galaxy cluster burning five times hotter than theoretical models predicted, just 1.4 billion ...

Astronomers found a young galaxy cluster with unexpectedly hot gas, suggesting cosmic structures formed faster than once ...

Galaxy clusters are formed by a dense packing of many galaxies, making them the most massive structures in the universe.

A small group of young researchers at the Cosmic Dawn Center, Niels Bohr Institute, University of Copenhagen, have, through ...

Raise a toast to another orbit around the sun with a new NASA image of sparkling galaxy clusters fittingly dubbed the ...

The “Seven Sisters” of the Pleiades are part of a much larger complex that can help reveal our galaxy’s deep history ...

Gas within the cluster, which existed merely 1.4 billion years after the Big Bang, is at least five times hotter than ...

An inexplicably hot, fast-growing cluster of galaxies in the early universe has scientists questioning theories of galactic ...

A new composite image reveals the “Champagne Cluster” as two massive galaxy clusters caught in a rare, violent collision.