Galaxies are not islands in the cosmos. While globally the universe expands—driven by the mysterious "dark energy"—locally, ...

Using the VLT Survey Telescope (VST), astronomers from Italy and Germany have observed a group of galaxies designated NGC ...

Because the density of galaxies is high within clusters, galaxy collisions occur ... are attempting to measure millions of galaxies and map their distribution in space. We are only beginning ...

Study reveals NGC 5018's significant globular cluster population Radial density profile of globular clusters shows evolutionary patterns Tidal forces shape NGC 5018 galaxy group’s globular cluster sys ...

Galaxy clusters are home to many giant elliptical galaxies that have completed their growth and are not forming stars.

We have endeavored to create here a 3-D visualization of the distribution of nearby galaxies and galaxy clusters. It is a 3-D map, if you will, of the local universe, with the structures ...

Nicknamed the Firefly Sparkle, this young galaxy is gleaming with star clusters – 10 in all – that may be signs that early galaxies form by fragmenting into giant star clusters, with some surviving ...

A phenomenon called gravitational lensing turned a galaxy into a "hall of mirrors of cosmic proportions," allowing for the discovery.

Pandora’s Cluster is thought to have a very violent history, having formed from multiple galaxy clusters piling into each other. “When the images of Pandora’s Cluster first came in from Webb ...

This ultra-deep view of the Antlia Cluster reveals a spectacular array of galaxy types among the hundreds that make up its population. Galaxy clusters are some of the largest known structures in ...