Every so often, a discovery comes along that changes our understanding of the distant past. In the vast landscapes of the ...

Some of them, like the giant sloth or the woolly rhino ... anything else alive at the time. But its size offered plenty of protection, as these prehistoric animals outweighed possible predators ...

The findings also revealed that, contrary to what scientists previously thought, giant ground sloths went extinct during the end of the Late Pleistocene, some 12,000 years ago. At that time ...