The cluster hosts a reservoir of gas so hot it has left scientists rethinking their understanding of how galaxies form and ...

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

Scientists detected gas at least five times hotter than previous theories had predicted inside a galaxy cluster from the ...

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

Astronomers have identified what they describe as "something the universe wasn't supposed to have" in a find that may rewrite ...

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

A galaxy cluster in the early universe is 10 times hotter than it ought to be, which may reshape how we think these enormous ...

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

A massive young galaxy cluster has been found glowing with super-hot gas billions of years earlier than expected, defying current theories.

Raise a toast to another orbit around the sun with a new NASA image of sparkling galaxy clusters fittingly dubbed the ...

A new composite image reveals the “Champagne Cluster” as two massive galaxy clusters caught in a rare, violent collision.