The James Webb Space Telescope captured a colorful portrait of a nearby stellar cradle, revealing a wealth of insights about ...

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

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

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 ...

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

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 ...

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 ...

A galaxy cluster discovered on New Year’s Eve in 2020 shines in a new image from NASA’s Chandra X-Ray Observatory ...

Deep-sky objects shine and the giant planets show off their satellites as the bright light from the Moon disappears from our ...

Just about everybody knows the Pleiades star cluster, also called the Seven Sisters. They represent the daughters of the ancient Greek gods Atlas and Pleione. After Orion's Belt and the Big Dipper, it ...

The Bullet Cluster, located 3.8 billion light-years away, is a merging system of two galaxy groups resulting from a high-energy collision. Analysis of X-ray data (Chandra X-ray Observatory) and ...