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 ...

During the Ice Age, some mammals were particularly large. The giant sloth had adapted very well to the climatic conditions. The reason for its extinction was unclear for a long time - until ...

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 ...

An international team of researchers has suggested a "wild" new theory to explain the creation of these mysterious ancient ...

Pleistocene ground sloths were fascinating creatures that roamed South America during the Late Pleistocene epoch. These large herbivores were part of a diverse megafauna that included various ...

The Ice Age wasn't just about freezing temperatures ... They are known to have roamed grasslands, plains, and forests, hunting giant ground sloths and other large animals. Dire wolves were ...

Just north of Las Vegas, a vast stretch of land entombs the richest Ice Age fossil beds in the Southwest. Could this become America’s next national monument? Before giant casinos dominated the Las ...

Back when the Earth was being overrun by glaciers, and animals were scurrying to save themselves from the upcoming Ice Age, a sloth named Sid, a woolly mammoth named Manny, and a saber-toothed ...

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 ...