Learn where orangutans live and eight amazing facts about them, plus WWF’s efforts to protect their habitats in Asia.

"A comparative approach to the evolution of kissing," was published by Evolution and Human Behavior on Nov. 19 ...

Scientists have traced kissing back to early primates, suggesting it began long before humans evolved. Their analysis points ...

Baby orangutan playing all by itself.

Kissing may date back 21.5 million years in early ape ancestors. Researchers studied modern primates to estimate how the ...

Or, as her majesty Faith Hill might say, “This kiss.” And, it turns out, it’s also really old. British scientists say they’ve ...

A small pride of zoo lions had an unexpected reaction to a man playing a '90s Guns N' Roses hit on an acoustic guitar.

Kissing is more than just "mouth-to-mouth" touching, and the study doesn't really shed much light on why humans kiss the way ...

Researchers trace the origins of the first kiss to early primates 20 million years ago, revealing the deep roots of human ...

Jane Goodall passes away; her 65-year legacy with primates transforms animal research and marks the beginning of a new era in ...

Neanderthals are usually seen as brutish and primitive, but research now suggests our ancestors kissed often - and even with ...

Kissing did not begin with star-crossed human lovers but with the primate ancestors of great apes around 20 million years ago ...