Massive star clusters may have blasted enough ultraviolet radiation into space to transform the early universe, new research ...

The James Webb Space Telescope has helped scientists peek into the secrets of galactic evolution — and the view is stunning, ...

Supermassive black holes lurk at the centers of massive galaxies, including our own Milky Way. Puzzlingly, supermassive black ...

Quasars stripped early galaxies of their gas, the basic raw material for making stars.

A new image of the dusty spiral galaxy M77, taken by JWST. (ESA/Webb, NASA & CSA, A. Leroy) A brightly gleaming galaxy ...

Astronomers have finally identified where the Milky Way’s star-making activity fades, uncovering a long-sought boundary in ...

A distant galaxy has been caught in the act of shutting down. The galaxy, called CQ 4479, is still forming plenty of new stars. But it also has an actively feeding supermassive black hole at its ...

When the James Webb Space Telescope (JWST) first delivered unprecedented images of some of the universe’s earliest galaxies, it left astronomers scratching their heads. These distant galaxies, which ...

The Milky Way is at least 100,000 light-years across, but the new results suggest that the galaxy's star formation takes place within a region that extends to a radius of 40,000 light-years from the ...