It’s almost globular cluster season. One of the mysteries of our galaxy and every other, these dense groupings of up to a million stars—the most massive and oldest star clusters in the ...

Astronomers studying FCC 224, an ultra-diffuse galaxy, have discovered luminous, overmassive globular clusters, providing key ...

The effect is essentially like looking through a giant magnifying glass. Abell 370 galaxy cluster. The strong gravitational magnification enabled astronomers to detect faint background sources and ...

This technique, called gravitational lensing — also known as an “Einstein ring” because it was predicted by the famous scientist ... of dark matter of a galaxy cluster works as a "macrolens ...

Because of this, the scientists behind the study were able to get a look at 44 stars in the "Dragon Arc," a part of the Abell 370 galaxy cluster. The arc is about 6.5 billion light-years away from ...

Observations made of galaxy clusters have already helped scientists unravel some of the processes driving galaxy evolution as they search for clues about the history of our universe. In this sense ...

Results of the observational campaign, published Jan. 18 on the arXiv pre-print server, provide important insights into the properties of this galaxy and its globular cluster system. Globular ...

Astronomers used the James Webb Space Telescope, the leading infrared observatory in space, to peer into the murk around the Spiderweb protocluster, a famous ... closer galaxy clusters to the ...

By resolving the thickly textured dust clouds in the outer disk and toning down the brilliant central star glow, JWST shows a whole new side of the famous ... clusters and how they contribute to ...

The galaxy cluster Abell 370, containing the star-filled Dragon Arc, as seen by the Hubble Space Telescope. Image: NASA The Webb Space Telescope captured a record-breaking image of stars in the ...