Bonds between same-sex individuals help apes and monkeys to manage conflict and strengthen alliances, especially in dry ...

A new study posits that same-sex sexual behavior developed to help primates in complex social groups ease tension, reduce ...

A large international study reveals that mammals tend to live longer when reproduction is suppressed. On average, lifespan ...

A new study by researchers at Imperial College London and published on Monday in Nature Ecology & Evolution could help shed ...

Homosexual behaviour in primates has a deep evolutionary basis and is more likely to occur in species that live in harsh ...

Biologists tend to look at the animal kingdom and try to categorize things in an organized fashion. But nature has a way of ...

Winter has long served as a season of stillness, a biological pause, for hibernating animals. When that pause disappears, the ...

Sexual behaviour among same-sex pairs is common in apes and monkeys, and a wide-ranging analysis suggests it does boost ...

Homosexual behaviour in primates has a deep evolutionary basis and is more likely to occur in species that live in harsh ...

For a small number of animals, reproduction marks a biological endpoint rather than a stage in an ongoing life cycle. Death follows mating with such c.