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

Astronomers have explained how a galaxy cluster maintains its heat, despite emitting X-rays that cool the hot gas at its center. The group discovered the existence of a fast-moving, high-temperature ...

Using the Magellan Clay Telescope, astronomers have performed a spectroscopic study of blue straggler stars in the globular ...