Mother Kalim, 43, and the baby have been bonding behind the scenes and recently made their public debut together at the zoo’s ...

Six and a half million acres. That’s the size of Indonesia’s Leuser Ecosystem, one of the most ancient and biodiverse places ...

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

The mother, a female Bornean orangutan, successfully gave birth at Chester Zoo in northwest England, according to a report by ...

An Orangutan family living inside the Los Angeles Zoo has welcomed a new baby boy, the first infant to be born at the zoo in nearly 15 years. The baby was born on Oct. 10 to Kalim, his 43-year-old ...

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

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

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

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 ...

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