For the Phoenix cluster's central galaxy, which should be well past the stage of extreme cooling, the presence of ultracold gas presented a puzzle. "The question has been: Where did this cold gas ...

An international team has discovered a giant spiral disk galaxy in the early cosmos which is three times larger than similar ...

Scientists observing the Centaurus galaxy cluster made an exciting breakthrough by discovering powerful streams of hot gas ...

Additionally, LEWIS has provided the first "global" view of these faint galaxies within a galaxy cluster that is still ... like in a puzzle, we reconstruct the formation history of these systems." ...

By comparing state-of-the-art X-ray measurements from the XRISM satellite with numerical simulations, they showed this is evidence for collisions between galaxy clusters, causing gas inside to ...

This week’s small-telescope target is globular cluster NGC 2808 in the southern ... This week’s first large-scope object is elliptical galaxy NGC 2986, which lies in the sky’s largest ...