Despite the prevalence of pheromone products on the market, substantial evidence that they can induce sexual attraction is lacking.

The brains and bodies of young female rats can be accelerated into puberty by the presence of an older male or by stimulation of the genitals.

The brains and bodies of young female rats can be accelerated into puberty by the presence of an older male or by stimulation of the genitals.

For the first time, researchers have documented interspecies sexual behavior between a male Japanese macaque and a female sika deer.

Idiot Brain, Wild Sex, Why Diets Make Us Fat, and The Ethics of Invention

Biologist Carin Bondar delivers a TED talk about the wilder side of sex.

Social networking sites may facilitate the spread of sexually transmitted disease, but these sites also serve as effective education and prevention tools.

See the experiment that used lasers and optogenetics to alter sexual behavior in Drosophila.

Sex on Earth, Wild Connection, The Classification of Sex, and XL Love

Not to be outdone by vertebrates, invertebrates employ a suite of interesting structures and behaviors to accomplish procreation.