The galaxy cluster appears hotter and more mature than it should for its young age, challenging what we think we know about ...

Galaxy clusters are formed by a dense packing of many galaxies, making them the most massive structures in the universe.

An inexplicably hot, fast-growing cluster of galaxies in the early universe has scientists questioning theories of galactic ...

Scientists have detected a surprisingly hot galaxy cluster dating back to the universe’s infancy. The cluster formed far ...

Gas within the cluster, which existed merely 1.4 billion years after the Big Bang, is at least five times hotter than ...

A Canadian-led team of researchers has discovered a 'baby' galaxy cluster in the early universe surrounded by gas far hotter ...

A scorchingly hot galaxy cluster in the early universe has left scientists baffled. “We didn’t expect to see such a hot ...

An international team of astronomers led by Canadian researchers has found something the universe wasn't supposed to have: a ...

Astronomers found a young galaxy cluster with unexpectedly hot gas, suggesting cosmic structures formed faster than once ...

Learn how radio observations uncovered unusually hot gas inside a young galaxy cluster, revealing how black holes and star ...

The Champagne Cluster is a rare and beautiful example of two galaxy clusters smashing together. Its festive name comes from ...

A seemingly impossible cluster of more than 30 galaxies crammed into a volume just 500,000 light-years across has been found ...