The finest ever map of the cosmic microwave background - the faint evidence of the universe's early form - has yielded ...

Clusters of galaxies, and clusters of clusters of galaxies, called superclusters ... and map their distribution in space. We are only beginning to learn and explore the geography of the universe.

Scientists have uncovered “Quipu,” the largest known galactic structure, stretching 1.4 billion light-years. This discovery ...

Astronomers have identified what could be the largest structure ever observed in the known universe—a vast network of galaxy clusters and superclusters ... visible in a sky map of galaxy ...