"We believe that the mechanism that 'turns on' these gigantic radio emissions is linked to the formation process of galaxy ...

The galaxy cluster Abell 2029 is sometimes described as "the most relaxed cluster in the universe." This moniker does not arise from some sort of mellow vibe, but rather because of how calm and ...

Far beyond the Milky Way, vast collections of galaxies continue to drift, gather and occasionally collide. One such region has drawn astronomers’ attention for decades. Known as CL0016+1609, this ...

The Champagne Cluster is a rare and beautiful example of two galaxy clusters smashing together. Its festive name comes from both its New Year’s Eve discovery and its bubbly appearance in space. Images ...