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

Scientists suggest kissing is much older than humans. Evidence points to ancient primates sharing affectionate mouth-to-mouth ...

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

One Piece live-action Season 2 has plenty of new cast members, but these seven lesser known stars deserve some love for the ...