Astronomers have discovered a vast, dense cluster of massive galaxies just 1 billion years after the Big Bang, each forming ...

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

Light takes time to travel through space. Because of this, the light we see from distant objects in the night sky represents ...

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

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 ...

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

A Canadian-led team of researchers has discovered a 'baby' galaxy cluster in the early universe surrounded by gas far hotter ...

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.

Astronomers have found something the universe wasn’t supposed to have: a galaxy cluster blazing with hot gas just 1.4 billion years after the Big Bang, far earlier and hotter than theory predicts. The ...

Astronomers have discovered a stream of particles escaping from a young massive star cluster, Westerlund 1. This is the first ...