It’s rare that we look to Soviet-era cinema to find positive queer representation, but surprisingly enough, one overlooked ...

Evolutionary biologists don’t know why we kiss — but new research suggests kissing evolved long before humans existed.

Our ancient primate relatives—including Neanderthals—may have enjoyed a nice peck on the lips. But researchers still don’t ...

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

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

A new study that examines how kissing evolved suggests that ape ancestors and early humans like Neanderthals probably locked lips with their friends and sexual partners. The behavior may date back 21 ...

They found the act of kissing can be traced all the way back to the last common ancestor of humans and other great apes, ...