Our understanding of female-male power relationships in animals has changed over time. Evolutionary biologists once thought that male mammals held clear-cut power over females. Later, species with ...

Our understanding of female–male power relationships in animals has changed over time. Evolutionary biologists once thought that male mammals held clear-cut power over females. Later, species with ...

A new study reveals that social alliances, not just physical strength, determine dominance in gorilla societies—with implications for humans. A female mountain gorilla holding an infant and a male ...