Summary:
- Researchers discovered an isolated human population in a remote part of Africa that has been living there for over 100,000 years, making them one of the oldest known human groups.
- Scientists detected the largest spinning structure ever observed in the universe, a giant ring-like formation of galaxies over 10 billion light-years wide.
- Archaeologists uncovered a pit filled with hundreds of human skulls in Mexico, which may have been part of an ancient ritual or religious practice.