The evolution of sex, gender, mating strategies, and social relationships are hot topics in the study of nonhuman and human behavior. 1 People from many different disciplines are weighing on these and ...

Researchers say the remains are “a mosaic of primitive and derived traits never seen before.” Dental remains dating back 300,000 years, which were discovered at a well-known Chinese archaeological ...

Plants and animals have evolved all sorts of ways to make themselves more appealing to potential mates—including colorful feet, flamboyant feathers, complex mating dances and sexual deception. Many ...

Fossils unearthed in Ethiopia are reshaping our view of human evolution. Instead of a straight march from ape-like ancestors to modern humans, researchers now see a tangled, branching tree with ...

If the simplest explanation is often the most likely, then a new study suggests Neanderthal males and human females did what couples do naturally when they got together when they lived in the same ...

Analysis of Oceanian genomes uncovered evidence of interbreeding with multiple Denisovan groups and showed that inherited ...

Humans really do rule the world. We took over fast and far, more than any other wild vertebrates. We inhabit nearly every corner of the world, and can thrive in deserts, tropical rainforests and even ...