Genes make us who we are—but are they shaped by chance, natural selection, or something else?
A new Mathematical Model traces 12,000 years of population growth and warns how fast Earth's limits could reshape human life.
Earth has already exceeded its ability to support the global population sustainably, with new research warning of increasing pressure on food security, climate stability, and human well-being. However ...
Human ancestors nearly died out between around 930,000 to 813,000 years ago in an evolutionarily pivotal population bust, a contested new study concludes. This potential winnowing of human ancestors ...