Astronomers have identified what could be the largest structure ever observed in the known universe—a vast network of galaxy clusters and superclusters containing an astonishing 200 quadrillion solar ...

When you buy through links on our articles, Future and its syndication partners may earn a commission. The Shapley supercluster was one of five giant structures detected in a new study of the local ...

Newly discovered Quipu, a superstructure in which galaxies group together in clusters and clusters of clusters, is the largest known structure in the universe in terms of length, scientists claim.