A new Hubble image of NGC 1786 reveals stars of multiple ages in the ancient cluster, challenging previous theories and offering new clues about galaxy evolution ...

Recent research has revealed that three well-known star clusters — the Orion Nebula Cluster, the Pleiades, and the Hyades — are linked in a cosmic family tree. Though these clusters appear distinct ...

A massive, spacetime-warping cluster of galaxies is the setting of today’s NASA/ESA Hubble Space Telescope image. The galaxy cluster in question is Abell 209, located 2.8 billion light-years away in ...