NASA’s flagship X-ray observatory is starting the calendar with a flourish, unveiling a richly detailed view of a distant ...

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 ...

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

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

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

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 ...

When you buy through links on our articles, Future and its syndication partners may earn a commission. NASA's Chandra X-ray Observatory revealed two new streams of gas trailing behind a galaxy within ...

Astronomers at the University of Chicago, MIT and elsewhere have used a massive cluster of galaxies as an X-ray magnifying glass to peer back in time, to nearly 9.4 billion years ago. In the process, ...

Astronomers took a peek at the first X-ray image of an entire galaxy cluster, courtesy of a Japan-U.S. space observatory. The target cluster known as PKS 0745-191 lies 1.3 billion light-years away in ...

Astronomers took a peek at the first X-ray image of anentire galaxy cluster, courtesy of a Japan-U.S. space observatory. The target cluster known as PKS 0745-191 lies 1.3 billionlight-years away in ...