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

From bold foxes to gregarious birds, animals’ personalities are increasingly being seen as crucial to conservation efforts.

In truth, it is not a paradox. The animals involved all seem perfectly eager participants in heterosexual behaviour, as well, so their reproduction is not compromised. It is, though, a puzzle—for ...

Finding a mate is hard in the animal kingdom! As these strangest animal mating rituals show, it sometimes gets even more ...

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

More than 59 different primate species have been observed participating in some kind of same-sex behaviors, making it ...

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

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

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

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

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