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Archaeology or archeology[a] is the study of human activity through the recovery and analysis of material culture. The archaeological record consists of artifacts, architecture, biofacts or ecofacts, sites, and cultural landscapes.
Archaeology has various goals, which range from understanding culture history to reconstructing past lifeways to documenting and explaining changes in human societies through time.
The discipline involves surveying, excavation, and eventually analysis of data collected, to learn more about the past. In broad scope, archaeology relies on cross-disciplinary research. Read more...
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Well, it has a source: https://royalsocietypublishing.org/doi/10.1098/rspb.2023.0316
And https://pubmed.ncbi.nlm.nih.gov/37434527/ too.
I was doubtful about the 25,000 years ago, because while I knew the date of the first humans in the Americas keeps getting pushed back, I didn't realize it was as far back as 25,000 years. But the actual journal article does mention that time frame.
I don't know enough about the topic to know if I should question their methodology, though.
It's probable. The dates look good and they used a lot of them. Little to no mixing. Wouldn't be surprised to be honest. Hopefully they'll do some DNA work on them.