Humans don’t have a defined mating season like deer or wolves. Here’s how evolution blended biology, culture and social life ...

Sexuality and gender are often at the forefront of cultural and political debate today. In his new book, The Sexual Evolution: How 500 Million Years of Sex, Gender, and Mating Shape Modern ...

Endangered brush-tail rock wallabies raised in captive breeding programs carry antibiotic resistance genes in their gut bacteria and may be able to transmit these genes into wild populations, ...

Ancient linkups may have happened more frequently between female humans and male Neanderthals, according to an new genetic ...