Scientists have been scratching their heads for ages, trying to figure out why some galaxies just stop churning out stars.

By looking ever further back in time, the James Webb Space Telescope is at last revealing the first galaxies – and a very ...

The Phoenix Cluster's central galaxy is about 5.8 billion light-years away and should be mostly done with star formation. Many galaxy clusters have a region of hot gas in the intracluster medium (ICM) ...

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

Scientists didn't expect that stars would be able to still form in the dwarf galaxy known as Leo P, which the James Webb ...

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

"For the first time, we could trace the boundary between the gas residing in galaxies and the material contained within the ...

In 1920, astronomers Harlow Shapley and Heber Curtis held a Great Debate. Shapley argued that the spiral nebulae were small and in the Milky Way, while Curtis took a more radical position that they ...

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.

NASA has captured six stunning and rare images of galaxies, showcasing their unique shapes and formations. Among them are ...

The James Webb Space Telescope’s Near-Infrared Camera captured an "array of stars that make up the dwarf galaxy Wolf–Lundmark–Melotte (WLM)," according to the NASA. Zoom into the imagery beginning ...