Add Yahoo as a preferred source to see more of our stories on Google. A group of about 1,000 stars known as the beehive cluster is swarming a sky near you. Stargazers who look up in January may be ...

Open clusters are gravitationally bound assemblies of stars that share a common origin and move together through the Galactic disc. Their internal dynamics are governed by the interplay of stellar ...

Open clusters (OCs) are groups of stars formed from the same giant molecular cloud and loosely gravitationally bound to each other. Astronomers are interested in exploring the structures of OCs in ...

Although the Moon is growing brighter, there’s still plenty to see in the evening sky. Astronomy contributor Phil Harrington calls the shape formed by the bright stars Betelgeuse, Sirius, and Procyon ...