The Champagne Cluster is a rare and beautiful example of two galaxy clusters smashing together. Its festive name comes from ...

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

It's another step on the road to one day discovering what dark matter could be. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. NASA's James Webb ...