Open star clusters like NGC 2547 (left) form and stay in galactic disks, while globular clusters like 47 Tucanae (NGC 104; right) may be kicked out of such regions and into the halo shortly after ...

Globular clusters are very old star clusters where stars have previously been formed, but not anymore. How and where the globular clusters were formed has been a long-standing mystery.

A galaxy cluster once thought to be “dead” is unexpectedly forming stars at an astonishing rate, challenging established theories about star formation in aging galaxies. The Phoenix Cluster ...

"In this work, we analyzed in detail the motion of thousands of stars within each cluster," Alessandro Della Croce, co-author of the study, said in the same release.

The "delicate tracery of dust and bright star clusters" are found in NGC 5068, a spiral galaxy about 17 million light-years from Earth, NASA said.

Using the Gaia space telescope, astronomers have observed 55 massive stars ejected from their home star cluster in the Large Magellanic Cloud at speeds equivalent to 80 times the speed of sound.

Thus far, the best age approximations scientists have for stars apply to stellar bodies found in star clusters, which are most often of the same age because they formed from the same collapsing ...

Using Europe's Gaia space telescope, astronomers have identified 55 runaway stars being ejected at high speeds from a densely packed young cluster in the Large Magellanic Cloud (LMC), a satellite ...