New research suggests that humans, new to the Americas, lived alongside giant ground sloths and mastodons for millennia.
Fossils show humans coexisted with giant sloths and mastodons for thousands of years. Evidence includes modified sloth bones ...
Smithsonian Magazine offers up a few other ancient creatures that could fit the bill, including Nile crocodiles, goannas, and ...
Sloth bones carved into ornaments indicate humans coexisted with megafauna thousands of years earlier than previously thought ...
Their prehistoric ancestors were huge — up to 4 tons (3.6 metric tons) — and when startled, they brandished immense ...
Sloths weren’t always slow-moving, furry tree-dwellers. Their prehistoric ancestors were huge — up to 4 tons — and when ...