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 ...

Astronomers have discovered what may be the largest-scale structure in the known universe — a group of galaxy clusters and clusters of galaxy clusters that spans roughly 1.3 billion light-years ...

The Shapley supercluster was one of five giant structures detected in a new study of the local universe. Previously regarded as the largest superstructure in space, it has now been eclipsed by at ...

The European Southern Observatory's (ESO) Extremely Large Telescope (ELT) — the world's largest visible- and infrared-light telescope — is currently under development on the Cerro Armazones mountain ...

[Photo by Liu Yelin/for chinadaily.com.cn] GUIYANG -- China on Friday finished the construction of the main structure of a ... is also the world's largest span bridge to be built in a mountainous ...