At age 75, Vadevino Alano keeps up a brisk pace as he strides through the forest on the way to the Armadillo’s Den — a ...

The students found the bone last spring in an Ice Age sediment deposit, placing it in a ballpark between 11,500 years and 300,000 years old. It’s the first Jefferson’s ground sloth fossil ever ...

Robin Bicknell, Director The Nature of Things documentary, Ice Bridge tells the story of ... jeffersonii (North American Jefferson Ground Sloth), the Panthera leo atrox (American Cave Lion ...

SAO PAULO (AP) — Sloths weren’t always slow-moving ... This date happens to coincide with the end of the last Ice Age, a time when an ice-free corridor likely emerged in North America ...

SAO PAULO (AP) — Sloths weren’t always slow-moving ... This date happens to coincide with the end of the last Ice Age, a time when an ice-free corridor likely emerged in North America ...