Star clusters

Space Astronomers spot a hot galaxy cluster that defies existing cosmic theory

Astronomers found a young galaxy cluster with gas far hotter than theory predicts, reshaping ideas about how clusters form.

Space The Seven Sisters (Pleiades) are part of a vast 2,000-light-year stellar network Mac Oliveau

Space New model reveals how supermassive stars shaped the early universe Joseph Shavit

Space Orion, Pleiades, and Hyades are snapshots of the same star cluster across 800 million years