Astronomers announce largest collection of comets found outside our solar system
For the first time, astronomers have imaged dozens of belts around nearby stars where comets and tiny pebbles within them are ...
Smithsonian Magazine on MSN20h
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 ...