CNN has a story about the oldest footprint in the Americas. It's 15,000 years old and was found in Chile. All the details appeared in a paper in the journal PLOS-ONE.
A team of scientists in Chile say they've found a human footprint that dates back more than 15,000 years -- the oldest one ever found in the Americas.The discovery challenges the previous timeline and map of human migration into South America. Most available evidence held that humans did not reach the Patagonia region at the southern tip of South America until 12,000 years ago, Karen Moreno, one of the co-authors of the research, told CNN.