A study finds two species of guenon monkeys in Tanzania have been mating and producing fertile offspring for generations.

A unique courtship dance clued researchers in to the fact that they had a new species on their hands.

A group of around 300 whales produced 184 distinct songs over just a few years, according to a new study.

Scientists explore why male peacock spiders are so colorful. 

Female plant bugs produce a compound to counter males’ attempts to render the females unattractive to other mates.

“Nature’s melodies” may be a human construct that says more about us than about the musicality of other animals.

A survey of sounds from birds to whales to fruit flies to fish

Bottle flies (Lucilia sericata) recognize potential mates by capturing the flashes of light that reflect off others' wings.

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.