Smithsonian Magazine on MSN7d
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 ...
New Scientist1mon
How to see all the solar system’s planets in the night sky at once
All of our solar system’s planets are lining up to parade ... but it is fairly close. The multiverse could be much, much bigger than we ever imagined A new way of interpreting the elusive ...