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

Our results paint early apes in an amorous light, showing that the ancestors of large apes were kissing each other as far back as 21.5 – 16.9 million years ago. Clearly, they were onto a good thing ...

When a cave has been sealed off from the surface world for roughly 57,000 years, anything inside it feels, by definition, non-human to us. I went into this story expecting another incremental update ...

A metal that still frequently occurs today and is considered dangerous may have had a severely harmful effect on the health ...

Our results paint early apes in an amorous light, showing that the ancestors of large apes were kissing each other as far ...

Could the last chapters of Neanderthal history be far more complicated than anyone thought? A newly sequenced genome from a ...

Learn how a common interpretation of Neanderthal noses could be changed due to a skeleton trapped inside a sinkhole.

Romantic kissing likely evolved for the first time in a common ancestor of humans and other large apes about 21 million years ...

An analysis of Neanderthal nose bones suggests the species’ famously large noses did not evolve primarily to warm and ...

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