Smithsonian Magazine on MSN15h
An Enormous, Branching String of Galaxy Clusters Is the Largest Known Structure in the Universe, Scientists Say
The cosmic superstructure Quipu is more than 13,000 times the length of the Milky Way, and its mass is 200 quadrillion times ...
Smithsonian Magazine on MSN20h
Astronomers Discover Extremely Rare Einstein Ring in Early Euclid Telescope Data, Revealing Warped Space-Time
Euclid space telescope sent some images back to Earth during an early testing phase. While reviewing the pictures, astronomer ...