The most glorious of all globular clusters is Omega Centauri. (NGC 5139 is its more mundane designation.) It’s the 24th-brightest “star” in Centaurus, which is the ninth largest of 88 constellations.

Omega Centauri is one of the finest jewels of the southern hemisphere night sky, as ESO’s latest stunning image beautifully illustrates. Containing millions of stars, this globular cluster is located ...

Data from the Chandra X-ray Telescope has revealed spider pulsars, which are a group of dead stars, in globular cluster Omega ...

A new discovery has resolved some of the mystery surrounding Omega Centauri, the largest and brightest globular cluster in the sky. Images obtained with the Advanced Camera for Surveys onboard the ...

Forbes contributors publish independent expert analyses and insights. An award-winning reporter writing about stargazing and the night sky. The core of the spectacular globular cluster Omega Centauri ...

Black holes come in three weight classes: stellar-mass black, intermediate-mass black, and supermassive. While astronomers have definitively identified objects in the lightest and heaviest classes, ...

On the basis of stellar spectra totalling more than 200 hours of effective exposure time with the 8.2-m VLT Kueyen telescope at Paranal (Chile), a team of astronomers [1] has made a surprising ...

Forbes contributors publish independent expert analyses and insights. An award-winning reporter writing about stargazing and the night sky. Globular clusters like this one, Omega Centauri, are very ...

An imaginary view of a winter night on a planet orbiting a star in the core of a globular cluster. Illustrations created with Stellarium; background image of M4 cluster by the Hubble Space ...

Globular clusters are like astronomical coelacanths — mysterious living fossils. These densely packed collections of ancient stars may hold the ultimate secrets to the formation of galaxies. When you ...