In humans, sexual behavior has a bigger purpose than just reproduction. It plays a role in social functions, from strengthening bonds to resolving conflicts. A new study has extended sexuality's ...

Male bonobos can decipher females’ unreliable fertility signals, allowing them to focus their efforts on matings with the highest chance of conception, according to a study by Heungjin Ryu at Kyoto ...

We all experience stress and conflict — whether it’s an argument with a friend, workplace tension, or competition for ...

Homosexuality is common among primates close to humans, and this trait appears to be inherited in some cases. The findings run counter to the view that homosexuality "goes against the laws of nature." ...