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.

When Was the First Kiss? New Evidence Says 21 Million Years Earlier 

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When Was the First Kiss? New Evidence Says 21 Million Years Earlier