May’s night sky is packed with astronomical events—find out when and where to look for meteor showers, ancient star clusters, and a rare cosmic lineup.

But is it? You’ll find out in this August globular cluster showdown. First, let’s look at the criteria I used to make my picks. I began by compiling a list of all the Messier (M) and New ...

One such object is Messier Object 3 (aka. M3 or NGC 5272) globular cluster that is located in the northern constellation of Canes Venatici. Since it was first observed, this globular star cluster ...

The newfound star, designated J0731+3717, turned out to be ejected from the globular cluster Messier 15 by an intermediate-mass black hole. The finding was presented in a paper published June 3 on ...

Thefirst globular cluster hunter Breaking space news, the latest updates on rocket launches, skywatching events and more! Noted French astronomer Charles Messier was the first topay close ...

Within Messier 55 are some 100,000 stars ... NASA compares an image of the globular cluster taken by the Digital Sky Survey, a ground-based telescope, left, to Hubble's picture.

Amateur astrophotographer Greg Meyer has captured a colorful view of the Rho Ophiuchi star-forming region alongside Messier 4.

Now they are revisiting the star cluster Messier 72 (M72). M72 is a collection of stars, formally known as a globular cluster, located in the constellation Aquarius roughly 50,000 light-years from ...

A potential intermediate-mass black hole may be lurking in Messier 4, the nearest globular star cluster to Earth, new Hubble data reveals. When you purchase through links on our site, we may earn ...

This is an image of Messier 15, globular cluster around our Milky Way. Adamo and her colleagues suggest that what they see in the Cosmic Gems arc will eventually evolve into something like Messier 15.