Thompson called in fossil sloth experts who ... 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 ...

With the impending ice age almost upon them, a mismatched trio of prehistoric critters – Manny the woolly mammoth, Diego the saber-toothed tiger and Sid the giant sloth – find an orphaned ...

The discovery also provides new evidence that people arrived in central Brazil during or before the end of the last ice age. Giant sloths larger ... and 27,000 years old, have intrigued scientists ...

these sloths were one of the strangest animals of the ice age. They weighed as much, or more, than the short-faced bear at 1 tonne and stood 3 metres tall, growing to the size of an ox.

Drawn by people, dogs or, later, horses, travois were a mainstay of traditional Native American life in the West. Up through ...