Astronomers have discovered what they are calling the largest-known structure in the universe. Named "Quipu" after an Incan ...

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

Newly discovered Quipu, a superstructure in which galaxies group together in clusters and clusters of clusters, is the ...

An international team of researchers has found dark matter dominating the halos of two supermassive black holes in galaxies ...

This week, NASA released the first image from the Europa Clipper spacecraft's voyage. The image is a mosaic of a star field, created from three shots the solar-powered orbiter captured in December of ...