Watch CBS News

Pucker up: The history and evolutionary mystery of kissing

Name: Pucker up: The history and evolutionary mystery of kissing
Uploaded: 2026-01-02T16:53:00-0500
Duration: 1 min 47 s
Description: If you rang in the new year with a kiss, you took part in a tradition millions of years in the making. Scientists now say the origins of kissing go back much farther than most think. CBS News' Tina Kraus has more.

If you rang in the new year with a kiss, you took part in a tradition millions of years in the making. Scientists now say the origins of kissing go back much farther than most think. CBS News' Tina Kraus has more.