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

The galaxy appears to have stopped forming new stars around 400 million years ago. Instead of glowing with newborn stars, it ...

NASA Chandra X-ray telescope data from galaxy cluster Abell 2146 showed a "shockwave that stretches for some 1.6 million ...

For the first time, NASA Chandra X-ray telescope has been used to discover a pair of black holes in dwarf galaxies that are ...

Everything about the Infinity galaxy is unusual. It looks very strange and it has a supermassive black hole pulling a lot of ...

In a patch of sky about 1. 2 billion light-years from Earth, astronomers have found a cosmic rarity: three galaxies caught in ...

A newly revealed cosmic image shows two galaxy clusters colliding as one. Nicknamed the Champagne Cluster, it offers rare ...

A new study published in The Astrophysical Journal by Davis astronomers reveals massive galaxy collisions through a ...

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

The discovery of thousands more galaxies with stars ringing their main disks could help astronomers study galactic evolution ...

Astronomers discovered new evidence that supermassive black holes can quietly choke off star formation over time ...