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Humans in North America may have existed much earlier than scientists once thought, ancient fossil research shows - CBS News
Sep 24, 2021 53 secs

Scientists have uncovered new evidence showing that humans in the Americas may have existed several thousands of years earlier than once thought, according to a report published Thursday in the academic journal Science. .

Ancient fossilized footprints found in New Mexico's White Sands National Park displayed evidence suggesting that humans lived in North America during the Last Glacial Maximum, which dates back to around 21,000 to 23,000 years ago.

Scientists have contested when the first humans lived in the Americas, with some finding evidence for life around 15,000 years ago, according to Smithsonian Magazine.

Researchers from White Sands National Park, the National Park Service, U.S.

Researchers note that accurately dating the first people to arrive and live in the Western Hemisphere is still "uncertain and contested." "What we present here is evidence of a firm time and location when humans were present in North America," the report said

The Associated Press noted that prior excavations in White Sands National Park have uncovered fossilized tracks left by a saber-toothed cat, dire wolf, Columbian mammoth and other animals from the ice age

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