Here are eight of the most intriguing pieces of pre-Clovis evidence. One of the first sites to undermine the Clovis-First theory was a rock shelter, known as Meadowcroft, found deep in the forest ...

In recent years, however, 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.

Humans who arrived in North America before this group are often referred to as pre-Clovis. At the time, skeptics said that the radiocarbon dating evidence was flawed, AP News reported in 2016.

But others kept offering data that the Americas were inhabited before Clovis. The vituperative debate ended only when strong evidence for a pre-Clovis settlement turned up in Chile in the late 1990s.

“Unless and until numerous discrepancies in the final report are convincingly clarified, this site should not be construed as conclusive proof of a pre-Clovis occupation in South America.

Parsons Island is the latest addition to a growing list of what are called pre-Clovis sites. But while the long-held “Clovis First” theory has crumbled over the past three decades, that has ...

Like all pre-Clovis claims, this one was controversial, and Dillehay was even accused of planting artifacts and fabricating data. But after reviewing the evidence, the expert team concluded it was ...

The Clovis-first model “was refuted effectively in the ’90s with this archaeological site of Monte Verde in Chile that was accepted as a ‘true’ pre-Clovis site,” says Lorena Becerra-Valdivia, a ...