It’s just one footprint, but it’s older than any other ever found in the Americas. Scientists spent nearly a decade studying it, and what they discovered changes the game.
A fossilized human footprint found in southern Chile has been dated to 15,600 years ago, making it the oldest known footprint in the Americas. The discovery suggests that humans may have reached South America more than 1,000 years earlier than previo... [2376 chars]