More evidence points to the fact that humans may have been in the Americas thousands of years before believed.

Fossils show humans coexisted with giant sloths and mastodons for thousands of years. Evidence includes modified sloth bones ...

New discoveries from several archaeological sites in North and South America suggest that ancient people first arrived in the ...

New discoveries from several archaeological sites in North and South America suggest that ancient people first arrived in the New World much earlier than scientists once thought. (AP Video: Mary ...

But Pacheco’s research strongly suggests that ancient people were carving ... As Odess interprets them, one set of tracks shows “a giant ground sloth going along on four feet” when ...

Thaís Pansani holds a giant sloth rib bone from central Brazil dated ... new research methods — including ancient DNA analysis and new laboratory techniques — coupled with the examination ...

But Pacheco’s research strongly suggests that ancient people were carving ... shows an artifact made of bony material from a giant sloth discovered at a rock shelter in Brazil, recovered ...