A new study using NASA 's James Webb Space Telescope has revealed a variety of light coming from the black hole Sagittarius A* — or rather its accretion disk, the ring of rapidly spinning material ...

Newly discovered Quipu, a superstructure in which galaxies group together in clusters and clusters of clusters, is the largest known structure in the universe in terms of length, scientists claim.

By tracing each cluster’s position in space, his team pinpointed how matter spreads out ... light paths and influence how we determine important parameters such as the Hubble constant. Small ...