Using the James Webb Space Telescope, astronomers have created the most detailed map of the cosmic web ever.

Radio image of Porphyrion. (Martijn Oei, Caltech/LOFAR Collaboration) There are plenty of mind-bendingly large structures in ...

Scientists have reported the discovery of the largest reliably measured superstructure—an enormous arrangement of galaxies, galaxy clusters, and dark matter linked together by gravity—in the universe.

If we look on large enough scales, matter should be distributed evenly, with no preferred direction within the cosmos. This is known as the cosmological principle.

A quasar from the universe’s first 850 million years has started to look less like a distant pinprick and more like a real ...