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 ...

NASA’ s Chandra X-ray Observatory has provided a New Year’s gift with a stunning new image of the “Champagne Cluster,” ...

This is a tale of rediscovery. I have been an astronomer for more than half a century. My current observing concentrates on showcase nebulae and galaxies or the pursuit of fine lunar detail. But ...

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

The Hyades, Pleiades and Hercules star clusters make for excellent targets in the late summer months. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it ...

This one-million-year-old star-forming region contains thousands of new stars and hundreds of planetary mass objects floating freely in the nebula, not orbiting stars. A groundbreaking study published ...

The Pleiades, or Seven Sisters star cluster, is one of the most iconic features in the night sky. While the cluster contains six to seven bright blue stars that can be seen by the naked eye, it's ...