It is the largest and closest “super” star cluster to Earth. The Large Magellanic Cloud is a satellite galaxy of the Milky Way that hosts a 100-million-year-old globular cluster that has been ...

This scene of cosmic chaos shows a section of the immense Perseus galaxy cluster, revealing several giant elliptical galaxies ...

within the Milky Way galaxy. This composite image, below, shows an animated version of the Christmas Tree Cluster where its blue and white X-ray lights blink: This composite image shows the ...

Using NASA's Chandra and ESA's XMM-Newton spacecraft, an international team of astronomers have performed X-ray observations of a nearby low-mass galaxy cluster designated PSZ2 G181.06+48.47.

An international team of astronomers has discovered exciting new details about a nearby galaxy cluster merger, that provides a deeper understanding of galactic collisions. Using the Very Large ...