Archaeologists used to think that the Clovis people were the first inhabitants of the Americas some 13,500 years ago. The evidence from these ancient sites says otherwise. More recently ...

researchers have unearthed many sites that appear to be pre-Clovis, some of them potentially doubling the time frame people have been in the Western Hemisphere. In this interactive map ...

Once you read the paper and look at the data and maps ... came from the same Clovis point, according to Nash. "Taken together, the ancient protein data suggests that these people had a broad ...