The core of a massive cluster of galaxies appears to be pumping out far more stars than it should. Now researchers at MIT and ...

How do you cool down a phoenix? I don't mean the mythological birds of flame and rebirth, but rather a cosmic namesake with a ...

The Phoenix Cluster's central galaxy is about 5.8 billion light-years away and should be mostly done with star formation.

NASA's James Webb Space Telescope (JWST) has recently made observations about galaxy clusters that will help shape our ...

A galaxy cluster once thought to be “dead” is unexpectedly forming stars at an astonishing rate, challenging established ...