Einstein predicted the existence of gravitationally-warped rings of light in 1915. Now, a new one has been discovered just a ...

With a length of 428 megaparsecs, or around 1.39 billion light-years, the superstructure is the biggest ever spotted.

Astronomers have been able to image gas as it travels down a 3 million light-year-long cosmic highway between two growing ...

Quipu, Hercules, Serpens–Corona Borealis and Sculptor–Pegasus are all larger than the fifth and final superstructure ...