You’ll find this terrific open cluster midway between 5th-magnitude Sigma Cassiopeiae and 6th-magnitude Rho Cas. This group glows at magnitude 6.7, so even through a 4-inch telescope, you’ll see 50 ...

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 taken with the ...

NASA has published an image captured by the Hubble Space Telescope of a nearby spiral galaxy “glittering” with clusters of ...

The central region of Messier 77 is dominated by an extremely compact and energetic ...

One of the hallmarks of the midwinter Colorado sky is the presence of a comparatively large number of stellar groupings, which are called “open” or galactic star clusters. Unlike the globular clusters ...

Spring means it’s time to look up into our night sky and find one of the oldest objects in our galaxy: the M3 Cluster. NASA and other sky experts call this group of ancient stars “a truly distant ...

NASA released exciting information on Thursday regarding the discovery of "monster stars" and "spiral galaxies." Using the Hubble Space Telescope, astronomers were able to identify nine "monster stars ...

NASA and the European Space Agency’s Hubble Space Telescope captured a truly stunning image of a cluster of stars "glistening" in the sky some eight light years away from Earth. The photograph, ...

The galaxy appears to be losing its gas through a process known as ram pressure stripping. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. A ...