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 ...

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 ...

Physicists have started to treat a once-fringe idea with surprising seriousness: that our entire observable universe might be the interior of a black hole that formed in some larger cosmos. The notion ...

The observable universe is estimated to be about 93 billion light-years in diameter, a distance so immense it’s almost impossible to imagine. Within this vast expanse, there are an estimated 200 ...