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The galaxy clusters involved in this scuffle are part of a larger system—a “combined” galaxy cluster—called PSZ2 G181. In a ...
Separated by a distance of around 11 million light-years, these structures are thought to be "shock fronts" resulting from ...
New observations from NASA's Chandra X-ray Observatory and other telescopes have captured a rare cosmic event: Two galaxy ...
In a groundbreaking discovery, NASA’s Chandra X-ray Observatory and other advanced telescopes have captured an extraordinary ...
European astronomers have investigated a galaxy cluster designated CIZA J2242.8+5301, dubbed the Sausage cluster. The ...
The early universe was a stressful place for galaxies. Globs of tens to hundreds of neighboring galaxies, called galaxy clusters, would share a communal pool of hot gas—but not without drama.