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

As December nights grow longer, one of the season’s most fitting sights rises high in the evening sky: NGC 2264, better known ...

Astronomers have employed NASA's Chandra spacecraft to perform X-ray observations of a massive galaxy cluster known as SPT-CL ...

The Bullet Cluster, located 3.8 billion light-years away, is a merging system of two galaxy groups resulting from a high-energy collision. Analysis of X-ray data (Chandra X-ray Observatory) and ...

The Pleiades star cluster or Seven Sisters is part of many Indigenous groups' songlines, as well as being important in cultures around the world. A new study has uncovered more than 3,000 stars that ...

Celestial object names often originate from mythology, constellation association, or visual resemblance, as exemplified by the Orion Nebula and the Ring Nebula. NGC 457, located in the Cassiopeia ...