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

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

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

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

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

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.

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

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

A newly revealed cosmic image shows two galaxy clusters colliding as one. Nicknamed the Champagne Cluster, it offers rare ...

A galaxy cluster discovered on New Year’s Eve in 2020 shines in a new image from NASA’s Chandra X-Ray Observatory ...