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

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 ...

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

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

Kissing may feel like a very human habit, but new research suggests it has much deeper roots. A team of scientists says the behavior likely began more than 20 million years ago, long before modern ...

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

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

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

Smooching might be a familiar behavior, but it's more mysterious than you would probably imagine. While kissing might feel ...

A new study led by the University of Oxford has found evidence that kissing evolved in the common ancestor of humans and ...

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