Astronomers have identified what could be the largest structure ever observed in the known universe—a vast network of galaxy ...

From decades of astronomical observations, scientists know that most galaxies contain massive black holes at their centers.

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.

Astronomers have characterized the largest-ever early-Universe radio jet. Historically, such large radio jets have remained elusive in the distant Universe. With these observations, astronomers have ...