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 ...

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 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 ...

The latest research results indicate that these famous star clusters represent the different phases of life of one and the ...

Views of a massive galaxy cluster Abell 2256 have been captured by NASA’s Chandra X-ray Observatory, ESA’s XMM-Newton and ...

NGC 1786’s mixed-age stars suggest globular clusters aren’t one-generation wonders, offering fresh clues to galaxy formation ...

Researchers stitched together hundreds of images from the Very Large Telescope to form a breathtaking photo of a nearby ...