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

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

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

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 ...

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

Three supermassive black holes igniting at once in a single system is one of the most extreme feeding frenzies the universe ...

In a groundbreaking discovery, NASA’s Chandra X-ray Observatory and other advanced telescopes have captured an extraordinary cosmic event: two massive galaxy clusters, PSZ2 G181.06+48.47, are not only ...

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

An artist's concept depicts the Milky Way galaxy and its spiral shape. Our solar system is located in one of the spiral arms. - NASA/JPL-Caltech A collision between our Milky Way galaxy and its ...

It turns out that looming collision between our Milky Way and Andromeda galaxies might not happen after all. Astronomers reported Monday that the probability of the two spiral galaxies colliding is ...

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

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