A stunningly concentrated and hefty galaxy cluster, from a time in the universe's history when such massive structures aren't expected to have fully formed yet, is challenging cosmic evolution theories. Across a series of three recent papers, a team led by researchers from IPAC—a science and dat...

Source: [Phys.org](https://phys.org/news/2026-06-jwst-images-abnormally-galaxy-cluster.html)

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