NASA's James Webb Space Telescope (JWST) has produced a new image of the Bullet Cluster, which is a titanic collision between ...

This unprecedented view of the Bullet Cluster provided by the James Webb Space Telescope and the Chandra X-ray Observatory ...

The discovery, made with the LOFAR (LOw Frequency ARray) radio instrument in Europe, indicates that galaxy clusters, which ...

Views of a massive galaxy cluster Abell 2256 have been captured by NASA’s Chandra X-ray Observatory, ESA’s XMM-Newton and ...

Astronomers have studied the globular cluster 47 Tucanae extensively, but still have many questions. It may have an ...

Galaxies and dark matter stretch throughout our universe as a vast cosmic web. They cluster together in some areas and leave empty voids in others. But how early in the universe’s history the ...

Hidden clusters. The universe is far from homogenous. Rather, stars, and the galaxies that contain them, clump together in some places, brought together by their shared gravitational attraction.

The cloud around it is nearly a whopping 20 million light-years across—about 20 times the diameter of our Milky Way galaxy—beating the previous record holder, seen around cluster Abell 2255 ...

A powerful new telescope in Chile is set to transform astronomy, and its first pictures of stellar nurseries and galaxies ...

Astronomers have a model of how galaxy cluster collisions go through different stages, taking on various shapes. A blunt body shape turns into a sharp cone, which turns into a tongue-like shape.

The famous picture of colliding galaxy clusters shows evidence for dark matter. ... is one of the most famous and informative ones in all of astronomy. Known as the Bullet Cluster, ...

Galaxy clusters --- truly colossal agglomerations of fully-formed galaxies --- help make up a substantial swath of the Universe's Large Scale Structure. But finding them in the earliest stages of ...