CHAMPAIGN, Ill. -- A trio of massive, young star clusters found embedded in a star cloud may shed light on the formation of super-star clusters and globular clusters. The discovery, made with images ...

A massive young galaxy cluster has been found glowing with super-hot gas billions of years earlier than expected, defying current theories.

CC0 Usage Conditions ApplyClick for more information. Westerlund 1 is the biggest and closest “super” star cluster to Earth. New data from NASA’s Chandra X-ray Observatory, in combination with other ...

Deep in the cosmos, about a billion light-years away, a monster with a gargantuan appetite has woken up. For roughly 100 ...

The Champagne Cluster is a rare and beautiful example of two galaxy clusters smashing together. Its festive name comes from both its New Year’s Eve discovery and its bubbly appearance in space. Images ...

Add Yahoo as a preferred source to see more of our stories on Google. Raise a toast to another orbit around the sun with a new NASA image of sparkling galaxy clusters fittingly dubbed the “Champagne ...

Galaxy clusters are the most massive objects in the universe held together by gravity, containing up to several thousand individual galaxies and huge reservoirs of superheated, X-ray-emitting gas. The ...

Celebrate the New Year with the "Champagne Cluster," a galaxy cluster seen in this new image from NASA's Chandra X-ray Observatory and optical telescopes. Astronomers discovered this galaxy cluster on ...

Celebrate the New Year with the “Champagne Cluster,” a galaxy cluster seen in this new image from NASA’s Chandra X-ray Observatory and optical telescopes. Astronomers discovered this galaxy cluster ...

A small group of young researchers at the Cosmic Dawn Center, Niels Bohr Institute, University of Copenhagen, have, through observations of the early stages of an extremely large galaxy cluster's ...