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

New research suggests that humans, new to the Americas, lived alongside giant ground sloths and mastodons for millennia.

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

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

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.

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

Paleontologist Thaís Pansani stands in front the reconstructed skeleton of a giant ground sloth at the Smithsonian National Museum of Natural History in Washington. (Picture credit: AP ...

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.