Published: Nov 20, 2025, 09:38 IST | Updated: Nov 20, 2025, 09:38 IST
New research suggests the first kiss didn’t start with humans at all — but with ancient primates more than 21 million years ago. This deep-dive explains how kissing evolved as a survival behaviour, what DNA evidence reveals, and why early primates first locked lips for reasons far beyond romance. Discover how a primal instinct became one of humanity’s most iconic expressions of emotion.