If large creatures like elephants, giraffes and bison are allowed to thrive, they could alter habitats that allow for the ...

Sloths weren't always slow-moving, furry tree-dwellers. Their prehistoric ancestors were huge - up to 4 tons - and when startled, they brandished immense claws. For a long time, scientists ...

FOUR-ton mega-sloths with flesh-rendering claws lived alongside humans for 10,000 years, new research has found. The 20ft tall meat eating beasts were thought to have been wiped out quickly when hu… ...

Mastodons and 4-ton sloths lived with humans for millennia in the Americas, new discoveries suggest Artist’s depiction of a person carving an osteoderm from a giant sloth in Brazil about 25,000 ...

Ancient sloths ranged in size from tiny climbers to ground-dwelling giants. Now, researchers report this body size diversity was largely shaped by sloths’ habitats, and that these animals ...