New research shows that fossil footprints discovered at the edge of an ancient lakebed in New Mexico's White Sands National Park date back to between 21,000 and 23,000 years ago.
<p>WHITE SANDS NATIONAL PARK, N.M.
</p><p>The estimated age of the footprints was first reported in <a href="https://www.science.org/doi/10.1126/science.
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Further evidence points to footprints in New Mexico being the oldest sign of humans in AmericasNew research shows that fossil footprints discovered at the edge of an ancient lakebed in New Mexico's White Sands National Park date back to between 21,000 and 23,000 years ago
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Further evidence points to footprints in New Mexico being the oldest sign of humans in AmericasNew research shows that fossil footprints discovered at the edge of an ancient lakebed in New Mexico's White Sands National Park date back to between 21,000 and 23,000 years ago.
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Further evidence points to footprints in New Mexico being the oldest sign of humans in AmericasNew research shows that fossil footprints discovered at the edge of an ancient lakebed in New Mexico's White Sands National Park date back to between 21,000 and 23,000 years ago. Previously, archaeologists thought human ancestors arrived about 15,000 years ago. The research was published Thursday in the journal Science. Scientists analyzed conifer pollen and quartz grains found at the site to reach date estimates. Earlier research that analyzed seeds of aquatic plants found at the site also produced similar date estimates. Ancient humans at White Sands lived alongside giant ground sloths, bison and other megafauna.
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Further evidence points to footprints in New Mexico being the oldest sign of humans in AmericasNew research shows that fossil footprints discovered at the edge of an ancient lakebed in New Mexico's White Sands National Park date back to between 21,000 and 23,000 years ago.
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Further evidence points to footprints in New Mexico being the oldest sign of humans in AmericasThe evidence challenges the once-conventional wisdom that humans didn’t reach the Americas until a few thousand years before rising sea levels covered the Bering land bridge between Russia and Alaska.
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Further evidence points to footprints in New Mexico being the oldest sign of humans in AmericasNew research confirms that fossil human footprints in New Mexico are likely the oldest direct evidence of human presence in the Americas, a finding that upends what many archaeologists thought they knew about when our ancestors arrived in the New World.
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