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

Globular clusters are often described as ancient, tightly bound fossils of the early Milky Way. It has been believed that ...

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 ...

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

Using the Anglo-Australian Telescope (AAT), astronomers have observed a nearby galactic globular cluster known as NGC 6569.

Astronomers have used the Keck Observatory's DEIMOS multi-object spectrograph to observe a nearby galaxy cluster designated ...

The “Seven Sisters” of the Pleiades are part of a much larger complex that can help reveal our galaxy’s deep history ...

A bubbly-looking galaxy smashup called the Champagne Cluster offers a rare glimpse into cosmic collisions—and the hidden behavior of dark matter. The Champagne Cluster is a dramatic cosmic system ...

NASA’s Chandra Observatory captures a composite image of the Champagne Cluster, showing two merging galaxy clusters, hot gas distribution and dark matter structures.

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

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