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

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

Scientists have detected a surprisingly hot galaxy cluster dating back to the universe’s infancy. The cluster formed far ...

Most astronomers agree that young galaxy clusters should be relatively cool compared to older ones. But researchers recently ...

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

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

The sun wanders the Milky Way alone; our star orbits the galaxy’s distant center without any stellar siblings. The solar ...

Astronomers have found something the universe wasn’t supposed to have: a galaxy cluster blazing with hot gas just 1.4 billion ...

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

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