How do you cool down a phoenix? I don't mean the mythological birds of flame and rebirth, but rather a cosmic namesake with a fittingly fiery nature.

Globular clusters like this one, Omega Centauri, are very dense groupings of up to a million stars ... [+] in a sphere, with a radius from a dozen to a hundred light years. It’s almost globular ...

Judging from the position of δ Scuti–type stars in the color‐magnitude diagram, only two stars are likely to have cluster membership. One new variable, KV 10, shows peculiar light variations with a δ ...

Cluster membership for each variable star was deduced from the previous proper‐motion results and position on the color‐magnitude diagram. Many pulsating stars and eclipsing binaries in the region of ...

A glorious, colorful image captured by a telescope in Chile shows the bright glow of star cluster RCW 38, where young stars are being born.

Jamie Carter is an award-winning reporter who covers the night sky. NGC 2264 is a cluster of young stars that has been colored and rotated to emphasize its nickname of ... [+] the “Christmas ...

NASA's James Webb Space Telescope (JWST) has recently made observations about galaxy clusters that will help shape our ...

You might also notice blobs of densely packed regions of stars ... cluster," Alessandro Della Croce, co-author of the study, said in the same release. "It quickly became clear that stars belonging ...

This is an 80-million-pixel picture of the star cluster RCW 38, located 5500 light-years away in the constellation Vela.RCW 38 is a young cluster containing about 2000 stars, and is bursting with ...