Astronomers studying the largest-ever map of the cosmos have found hints that our best understanding of the universe is due a ...

DESI's first dataset maps 18.7 million celestial objects, aiding dark energy, galaxy, and universe expansion studies.

A new analysis of astronomical data suggests unknown physics is at work assisting dark energy in acting almost as ...

Galaxies are the building blocks of the universe. Clusters of galaxies, and clusters of clusters of galaxies, called superclusters, make up the structures in the geography of the universe.