The Monte Verde archaeological site in southern Chile has long been the crown jewel of evidence for the early peopling of the Americas, widely accepted as proof that humans arrived long before the ...

Oregon’s Paisley Caves and a nearby rockshelter have led archaeologists to rethink when humans first reached North America. Evidence from ancient human waste, stone tools, and markings appears much ...

Mosquitoes haven’t always had a taste for human blood — partly because the tiny yet dangerous insects have been around a lot longer than humans. Pinpointing when mosquitoes shifted their preference to ...