Particles with diameters of a few nanometres or less often have properties that change with the addition of a single atom. Such particles are known as clusters and are of considerable research ...

The history of how stars and galaxies came to be and evolved into the present day remains among the most challenging astrophysical questions to solve yet, but new research brings us closer to ...

Astronomers have made a surprising discovery: a faint object nearly invisible is holding a collection of star clusters together. This represents the intriguing presence of a hidden galaxy that is ...

Globular clusters are ancient, spherical groups of stars that are often as old as the galaxies they orbit. The stars in a globular cluster orbit the center of mass of the cluster, and the angular ...