A study published in Astronomy & Astrophysics has identified four previously unknown primordial open cluster (OC) groups in ...

Acoustic oscillations in M67 stars reveal a surprising plateau in frequency patterns, providing a new tool to probe stellar ...

If you have the time and clear sky to the north, you might want to check out an open cluster that is seldom observed. An ...

New observations from NASA's Chandra X-ray Observatory and other telescopes have captured a rare cosmic event: Two galaxy ...

The Owl Cluster is an open cluster in Cassiopeia that has the appearance of a bird in flight — at least to one magazine ...

Hanging over its shoulder is what appears to be a map of the Pleiades, the cluster of stars sometimes called the Seven Sisters. Inside the bull painting, there are also indications of spots that may ...

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The night sky tonight and on any clear night offers an ever-changing display of fascinating objects you can see, from stars and constellations to bright planets, the moon, and sometimes special ...