Americas
First people in the Americas arrived by Pacific pathway, new evidence suggests
Around 14,800 years ago, the Cordilleran Ice Sheet separated from its neighboring Laurentide Ice Sheet, creating an ice-free corridor that ...
‘Blinding speed’: How an ice age led to the populating of the Americas
Tens of thousands of years ago, two gigantic ice sheets smothered the northernmost parts of what has since been named ...
Ancient spearheads raise new questions about North America’s first inhabitants
[A]rchaeologists have uncovered evidence of a human settlement stretching back as far as 15,500 years: hammer stones and broken knives, ...