Science ❯ Astronomy

Star Clusters

Globular Clusters Pleiades NGC 2264 IC 348 Omega Centauri NGC 602 Open Star Clusters Hyades Orion Nebula Open Clusters Young Stars RCW 38 Beehive Cluster Globular Cluster NGC 6397 IC 347 Messier Objects Specific Origins Young Star Clusters Globular Star Cluster Formation History Individual Stars Nearby Star Clusters Omega Centauri Star Cluster Formation Globular Star Clusters Young Star Cluster Cluster of Stars Westerlund 1 Christmas Tree Star Cluster James Webb Space Telescope Supernova Explosions Merging Star Clusters M67 Self-Gravitating Clusters R136 IRS 13 Stephenson 2 Tidal Tail Star Clusters

Hubble, Euclid and Subaru Reveal Ultra-Faint Galaxy Candidate Dominated by Dark Matter

Stacked images around four tightly grouped globular clusters expose CDG-2’s diffuse starlight, making it the strongest dark‑galaxy candidate reported.

New Images and Holiday Sky Guides Spotlight the Christmas Tree Cluster

Pleiades Recast as Core of a Vast 'Greater Pleiades' Stellar Family

Leonid Meteor Shower Peaks Predawn Nov. 17 Under Dark, Moonlight-Free Skies

8% Crescent Moon Meets Mars Low in the West Tonight

Black-Hole-Driven Cluster Model Challenges Dark-Matter Interpretation of Ursa Major III

ALMA Reveals 1.4-Light-Year Bubble Around Supergiant DFK 52

Earth’s Aphelion and Mercury’s Greatest Elongation Usher in July’s Night Sky Highlights

June Sky to Stage Antares Occultation, Strawberry Moon and Key Planetary Pairings