These massive underground tunnels, attributed to the activities ... They have identified the likely creators as giant ground sloths and giant armadillos. Despite these massive creatures reaching ...

New research revealed that the first humans to arrive in the Americas lived alongside giant ground sloths for thousands ... that humans may have inhabited South America as early as 27,000 years ...

New research painted a more accurate picture of the megafauna that spread widely around the Americas before they went extinct.