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.

Astronomers have come across an unexpectedly intense glow from superheated gas inside the earliest known galaxy cluster, ...

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

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

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

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

Using the Anglo-Australian Telescope (AAT), astronomers have observed a nearby galactic globular cluster known as NGC 6569.

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 ...

The “Seven Sisters” of the Pleiades are part of a much larger complex that can help reveal our galaxy’s deep history ...