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Ancient DNA Reveals 20,000-Year-Old Human Migration to Americas

5/17/2025

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Summary

Story summary

A groundbreaking genetic study in *Science* uncovers that early humans journeyed from Asia to the Americas over 20,000 years ago. By analyzing DNA from 1,537 individuals, researchers identified four unique Indigenous groups in South America, shedding light on the rich tapestry of genetic diversity and the health challenges faced by contemporary Indigenous populations.

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Story summary

A groundbreaking genetic study in *Science* uncovers that early humans journeyed from Asia to the Americas over 20,000 years ago. By analyzing DNA from 1,537 individuals, researchers identified four unique Indigenous groups in South America, shedding light on the rich tapestry of genetic diversity and the health challenges faced by contemporary Indigenous populations.