Galaxy clusters

Space A cosmic giant 5,000 times the Milky Way’s mass emerges from the early Universe

A vast structure seen more than 11 billion years ago reveals how clusters assembled from smaller clumps along the early cosmic web.

Space Powerful black hole pushes quasar’s winds across 300,000 light-years Joseph Shavit

Space Scientists reveal the hidden forces shaping how gravity works across the Universe Joseph Shavit

Space Astronomers spot ‘jellyfish galaxy’ torn apart 8.5 billion years ago Joseph Shavit