Astronomers are using compact groups of stars to probe the history of a galaxy in the adolescent universe dubbed "The Sparkler."
A stream of stars scattered across 15 degrees of sky was once part of a globular cluster torn apart by our galaxy’s gravity. The stars represent some of the oldest in the Milky Way.
A new study uses precise measurements of chemical elements to explore the formation history of one of the oldest globular clusters in the Milky Way.
These four globular clusters are easy to find in autumn skies and a perfect way to welcome the season.
In the news this week: Globular clusters have the detailed scoop on our galaxy's past, and a "heartbeat" black hole binary in the Milky Way has gone mysteriously dim.
Star clusters are a terrific way to practice your astrophotography fundamentals!