New research from several sites is starting to suggest that people came to the Americas earlier — perhaps far earlier — than ...

FOUR-ton mega-sloths with flesh-rendering claws lived alongside humans for 10,000 years, new research has found. The 20ft ...

Sloths weren’t always slow-moving, furry tree-dwellers. Their prehistoric ancestors were huge — up to 4 tons (3.6 metric tons ...

Paleontologist Thaís Pansani standing in front of a reconstructed giant ground sloth skeleton at the Smithsonian ... continent after crossing the Bering land bridge from Asia.

For a long time, scientists believed the first humans to arrive in the Americas soon killed off these giant ground sloths ...

For a long time, scientists believed the first humans to arrive in the Americas soon killed off these giant ground sloths through hunting ... crossing the Bering land bridge from Asia.

PHOTOS: Giant sloths and mastodons coexisted with humans ... early humans moved into the continent after crossing the Bering land bridge from Asia. And because the fossil record shows the ...

Thaís Pansani holds a giant sloth rib bone from central Brazil dated ... humans moved into the continent after crossing the Bering land bridge from Asia. And because the fossil record shows ...