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

Views of a massive galaxy cluster Abell 2256 have been captured by NASA’s Chandra X-ray Observatory, ESA’s XMM-Newton and ...

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

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 fittingly fiery nature.

Researchers use the James Webb Space Telescope to unravel the mystery of rapid star formation in the Phoenix galaxy cluster, ...

Scientists have identified a colossal superstructure of dark matter, marking a significant advancement in cosmological research ...

From star births to deaths and a party in a black hole, here are some of the reports we’ve been getting back from the ...

Around 13.7 billion years ago, something collapsed. It fell outward into the nothingness that stretched in every direction, ...

An international team of astronomers reports the detection of the first pulsar by the Globular Clusters GMRT Pulsar Search ...

The VLT captures a stunning infrared view of Sagittarius C, exposing a rich field of young stars. This breakthrough provides ...

A breathtaking new image of the RCW 38 star cluster showcases a cosmic nursery bursting with color, light, and energy.

In 1920, astronomers Harlow Shapley and Heber Curtis held a Great Debate. Shapley argued that the spiral nebulae were small ...