Astronomers from Swinburne University in Australia and elsewhere have employed the Keck II telescope to investigate the ...

This video zooms into a Hubble Space Telescope view of globular star cluster NGC 6397. Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert!

This week’s small-telescope target is globular cluster NGC 2808 in the southern constellation Carina the Keel. It shines at magnitude 6.2 and has a diameter of 13.8′. That means it covers 20 ...

A new study reports the first direct observation of merging star clusters in the nuclear region of dwarf galaxies. This ...

The transmission consisted of a simple, pictorial message, aimed at our putative cosmic companions in the globular star cluster M13. This cluster is roughly 21,000 light-years from us, near the edge ...

Most open clusters reside in the arms of spiral galaxies, and their stars are usually relatively young. NGC 2031: In the top left corner of this starry sight, the globular cluster NGC 2031 shines ...