As fewer people choose to pair up, let alone marry, it could be that our species’ mating patterns are moving closer to the natural order, says freelance journalist Elle Hunt ...

Talk about a jungle joyride -- two gorillas went completely bananas for each other, tossing modesty into the bushes, and getting busy in broad daylight... giving stunned onlookers a surprise mating ...

Born on the same day, Bill and Ben both grew up to have high status. But in every other way they were polar opposites.

Experts at Imperial College London suggest homosexuality might help forge strong bonds that allow groups to stay together to survive harsh conditions.

Monkeys are not from California. They’re not even visiting snowbirds. But a few have settled nicely into a space customized to their simian preferences.

A new study comparing 59 species of primates linked same-sex sexual behavior to scarce resources and more predators in socially complex species. The findings show diverse sexual behaviors are common — ...

But their closest cousins, bonobos, are more like us, according to scientists. Experiments conducted at Lola ya Bonobo ...

Why do humans have larger penises than other primates? New research tests attraction, rivalry, and sexual selection for ...

A new study suggests humans belong in an elite “league of monogamy,” ranking closer to beavers and meerkats than to ...

Incredibly rare panthers, patient crocodiles and deadly vipers all celebrated by the world's oldest ecological society.

Puffins are often known as the clowns of the sea due to their bright beak colouring and their acrobatic movements in the air over the water, so it makes sense that when they come together they form a ...