Hubble's latest image share is a good one for fans of cosmic razzle-dazzle. You're seeing NGC 6717, a globular cluster that forms a piece of the constellation Sagittarius. But where it appears to you, ...

NASA releases a new image of Messier 55 taken by the Hubble Space Telescope. Credit: NASA / ESA / A. Sarajedini / M. Libralato / Gladys Kober Even under clear skies in areas with hardly any light ...

A spherical shape made from the pinpricks of light from closely packed stars revealed itself to the Hubble Space Telescope when the observatory recently peered into the constellation Mensa. Hubble ...

NGC 6355 has been imaged using NASA's Hubble Space Telescope. The globular cluster of stars lies 50,000 light-years away.

Within galaxies, stars aren’t evenly spaced out. Instead, stars tend to cluster into groups which can be as many as tens of thousands or even millions of stars strong. These groups of stars, called ...

Sure, the Webb telescope is getting most of the attention these days — and it should. It's a monumental achievement! But the James Webb Space Telescope's predecessor, the Hubble Space Telescope, is ...

A sky full of stars is on glorious display in this week’s image from the Hubble Space Telescope. The image shows a structure called a globular cluster, which is an enormous collection of tens of ...

The globular cluster Messier 92 (M92) in the constellation Hercules is currently visible in the eastern sky after nightfall. M92, with an apparent magnitude of 6.4 and an angular size of approximately ...

NASA's Hubble Space Telescope snapped a pair of "dazzlingly different" images of a brilliant star cluster some 160,000 light years away. Globular cluster NGC 1850, in the constellation Dorado, is ...

In a galaxy not so far away, astronomers have located a surprising source of a mysterious, rapid radio signal. The signal, a repeating fast radio burst, or FRB, was observed over several months in ...

Forbes contributors publish independent expert analyses and insights. An award-winning reporter writing about stargazing and the night sky. This article is more than 3 years old. This illustration ...

Star clusters are groups of stars formed from the same material. Globular clusters are old, spherical, and contain many stars. Open clusters are younger, less dense, and have irregular shapes.