A new study released on Wednesday found that humanity's first kiss occurred roughly 21 million years ago, predating humans.

A kiss is one of the most universal gestures in the world. It’s a wordless way to show affection that transcends language, ...

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

It’s still not clear why kissing evolved. From a utilitarian viewpoint, it doesn’t provide any immediate reproductive or ...

The movie, which marks his English-language debut, stars Anya Taylor-Joy as a crazed zealot who plans to sacrifice three ...

Kissing is an ancient trait retained over the course of evolution amongst the large apes, reveal scientists at the University ...