New data reveals a 3-million-light-year filament connecting two galaxies, each of which hosts a supermassive black hole.

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

Mapping the distribution of matter in the universe is an important quest for cosmology and astrophysics. There is a battle ...

Meet Quipu, a new contender for the largest known structure in the universe. It’s essentially a giant cluster of galaxy clusters stretching approximately 1.3 billion light-years long—more than 13,000 ...

Together, they contain 45 percent of all galaxy clusters, 30 percent of all galaxies, and a quarter of all matter within that region of the near Universe – but they occupy only 13 percent of its ...

Mark Garlick / Science Photo Library via Getty Images Meet Quipu, a new contender for the largest known structure in the universe. It’s essentially a giant cluster of galaxy clusters stretching ...