Clean Energy & Climate Transition 10 Oct 2026, 04:13 AM IST
Ancient DNA Narrows the Window for the First Americans
New ancient-DNA analysis is tightening the timeline for when humans first reached the Americas, pointing to a migration no earlier than about 21,000 years ago. The findings add fresh genetic evidence to a long-running debate over one of archaeologyโs most consequential questions, while leaving open how people moved, where they paused, and how quickly they spread.
By RDU Global Wire5 min read
