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Genetic studies suggest that the first people to arrive in the Americas descend from an ancestral group of Ancient North Siberians and East Asians that mingled around 20,000 to 23,000 years...
The peopling of the Americas began when Paleolithic hunter-gatherers (Paleo-Indians) entered North America from the North Asian Mammoth steppe via the Beringia land bridge, which had formed between northeastern Siberia and western Alaska due to the lowering of sea level during the Last Glacial Maximum (26,000 to 19,000 years ago). [2] .
For decades, the dominant paradigm has been that the first Americans were descendants of populations that migrated from northeast Asia to North America by crossing the now-submerged Bering Land Bridge around 13,000 years ago.
Here is the evidence for three theories explaining how the first humans arrived in America: the land bridge theory, the trans-Pacific migration theory and the controversial Solutrean...
For more than half a century, the prevailing story of how the first humans came to the Americas went like this: Some 13,000 years ago, small bands of Stone Age hunters walked across a land bridge...
Based on stone artifacts dating to about 13,000 years ago, archaeologists for most of the 20th century suggested that the prehistoric Clovis culture was the first to migrate to the Americas....
Archaeological and genetic evidence suggests the first humans arrived in North America between approximately 25,000 and 16,000 years ago. The newly narrowed migration time ranges mean that instead of only summer sea travel along the kelp highway, as Erlandson once thought, “the First Americans had to be co-adapted to both winter sea ice and ...
When and how early humans first migrated to the Americas has long been debated and remains poorly understood. Current estimates for the first inhabitants range from 13,000 years ago to more...
A study of radiocarbon dating of early archaeological sites by Becerra-Valdivia and Higham reveals that interior regions of Alaska, Yukon in Canada and the continental United States were already...
Until recently, the prevailing paradigm 1 for the initial dispersal of humans into the Americas held that the first American individuals were big-game hunters who entered the continent...