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

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

A newly discovered galaxy cluster, blazing with unexpectedly hot gas just 1.4 billion years after the Big Bang, is forcing ...

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

Astronomers discovered an extremely hot galaxy cluster in the region that was far hotter and older than current theories ...

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

A team of international researchers, led by a University of British Columbia astrophysicist, has discovered a young galaxy ...

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

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

Scientists have detected a surprisingly hot galaxy cluster dating back to the universe’s infancy. The cluster formed far earlier and burned far hotter than current models predict. Researchers believe ...

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

Webb reveals a bridge of stars linking two nearby dwarf galaxies, offering a look at how gravity reshapes galaxies and sparks ...