Viewing with the aid of 10x50 binoculars will bring the light cast by a stellar cluster into sharper focus, or even allow you ...

Warm summer nights in August offer a front-row seat to some of the most mesmerizing star clusters in the sky. According ...

M11 is best viewed in the hours between sunset and midnight in August, when the cluster can be found roughly 40 degrees above the southern horizon. Remember, the width of your clenched fist held at ...

Star clusters are groups of stars that formed together and remain bound by their mutual gravity. They mainly come in two ...

NGC 6910 is a bright open cluster in Cygnus the Swan, visible overnight as the Summer Triangle flies high around local ...

An open cluster is a group of up to a few thousand stars that were formed from the same giant molecular cloud, and are still loosely gravitationally bound to each other. In contrast, globular ...

The stars of an open cluster can range in age from a few tens of millions or hundreds of millions of years old. Since the clusters are only loosely bound by gravity, the stars may disperse after a ...

In the chaotic environment of open star clusters, strong gravitational interactions between bodies can launch individual stars far outside the cluster, even outside our galaxy, the Milky Way.

A rare August morning alignment brings Mercury, a thin crescent moon and the Beehive Cluster together in the predawn sky. Here's how you can see it for yourself.

M11 is an open cluster sometimes referred to as a galactic cluster, located around 6,000 light-years away in the constellation Scutum the Shield.