The structure is within a far larger filament around 50 million light-years long, and containing over 280 galaxies. But the weird part is their rotation.

The structure is within a far larger filament around 50 million light-years long, and containing over 280 galaxies. But the weird part is their rotation.
We now have a clearer picture of what happened in the decades following the asteroid impact that led…
The geographic poles can shift at surprisingly high rates Planet Observer/Universal Images Group via Getty Images The Earth’s…
Expedition member Chris Blakeley in the entrance to the world’s northernmost known cave, found on the Wulff Land…
The Chicxulub asteroid brought the age of the dinosaurs to an end ROGER HARRIS/SCIENCE PHOTO LIBRARY The asteroid…