"We believe that the universe on very large scales is made of a network-like distribution of galaxies, gas and dark matter," ...

If you look across space with a telescope, you'll see countless galaxies, most of which host large central black holes, ...

Cosmic dawn galaxies seen by JWST reveal hidden clues about dark matter and keep rival theories about its true nature alive.

This infrared view offers the clearest look yet at how dwarf galaxies merge, evolve, trade gas and ignite waves of new stars.

Most of the universe is made up of dark matter and dark energy. The majority of everything else is dispersed throughout space ...

Galaxy clusters are the most massive objects in the universe held together by gravity, containing up to several thousand ...

NASA has released a batch of images from the Chandra X-ray Observatory that they have dubbed "razzle-dazzle across space." ...

“Our latest discovery helps solve a 20-year cosmic mystery,” co-lead author Daniel Whalen from the University of Portsmouth's ...

From your place inside the Milky Way, you are living within a galaxy that keeps a detailed chemical diary. Every star holds ...

Astronomers from several nations found fourteen hydrogen-rich galaxies placed along a narrow stretch over 5.5 million ...

The James Webb Space Telescope has found compelling evidence for "monster stars" — gigantic, primordial stars that existed in the early universe.