The galaxy cluster appears hotter and more mature than it should for its young age, challenging what we think we know about how these cities of galaxies form.

This NASA/ESA/CSA James Webb Space Telescope Picture of the Month brings us a scene from the distant universe. Pictured here is the galaxy cluster MACS J1149.5+2223, or MACS J1149 for short, which is ...

"SPT2349-56 changes everything we thought we understood," says one Canadian researcher.

Using the Einstein Probe (EP), astronomers from China and Germany have observed a nearby galaxy cluster known as Abell 3571.

Researchers at the University of British Columbia and Dalhousie University have found a young galaxy cluster that appears far ...

Astronomers using the Einstein Probe (EP) have uncovered subtle but powerful disturbances within the galaxy cluster Abell ...

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

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

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

Astronomers used a cosmic lens to reveal a hyperactive protocluster. ALMA and VLA observations uncover tightly packed ...

Roughly 2.8 billion light-years from Earth, two galaxy clusters are engaged in a cosmic tussle. These enormous structures last collided about a billion years ago, but now, it appears they’re going ...

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