Researchers say they've discovered the largest known object in the universe, a galactic superstructure called Quipu.

Astronomers have discovered what is believed to be the largest structure in the universe, more than 1.4 billion light-years across and containing seventy galactic superclusters. Our solar system is a ...

A new study proposes a way to use weak gravitational lensing data to test the long-held Cosmological Principle of the ...