Science ❯ Evolution ❯ Evolutionary Biology

Animal Evolution

Chelicerate Evolution Primate Evolution Masturbation as an Evolutionary Trait

500-Million-Year-Old Chelicerate Pushes Back Spider Lineage by 20 Million Years

The fossil’s front claws point to an origin in grasping “great appendages.”

Major Review Finds Same-Sex Sexual Behavior Common in Primates, Linked to Social and Environmental Pressures