Galaxy mergers are not uncommon throughout the Universe; in fact, they're thought to be one of the major mechanisms whereby ...

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

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

Webb and Chandra reveal two spiral galaxies after an encounter, exposing heated gas, newborn stars and distorted arms, while ...

Astronomers report that the Champagne Cluster is actually two galaxy clusters in the process of merging, based on X-ray, optical, and spectroscopic observations published in 2025 ...

Astronomers combined data from NASA’s JWST and Chandra X-ray Observatory to create a stunning new image of two merging spiral ...

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

NASA has released a new composite image of two spiral galaxies, NGC 2207 and IC 2163, as they begin a multi-billion-year ...

Two galaxies are merging in the deep cosmos. And the James Webb Space Telescope just captured a vivid view of the scene. The interacting galaxies, called Arp 107, collided hundreds of millions of ...

Astronomers have found that supermassive black holes obscured by dust are more likely to grow and release tremendous amounts of energy when they are inside galaxies that are expected to collide with a ...

Forbes contributors publish independent expert analyses and insights. An award-winning reporter writing about stargazing and the night sky. When will the Milky Way collide with the Andromeda Galaxy?

Astronomers believe the two galaxies may collide in next 10 billion years Theory based on data from Hubble Space Telescope and Gaia star-tracking mission 'In short, the probability went from ...