South American megafauna, from giant sloths to camel-like creatures, survived thousands of years longer than we thought, ...

But a new discovery points to the fact that incredible extinct creatures that once dominated the earth, like mastodons, giant sloths, and ancient humans coexisted for a millennia, a finding that ...

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 ...

They went extinct between 14,000 and 10,000 years ago, but the recently discovered tooth belonged to a sloth that lived 27,000 years ago, according to carbon dating. During that era, called the ...

The extinct giant ground sloths were some of the only mammals that had digestive systems large enough to process the huge avocado seeds whole. They feasted on the fruit and then dispersed the ...

while the pygmy three-toed sloth is critically endangered and the sloth species at greatest risk of extinction. Sloths are primarily folivores, feeding mostly on leaves, fruits and sap of various ...

Sloths are notable for their low energy levels and slow, deliberate movements (hence their name). They are part of a larger group known as the Xenarthra, which includes their distant relatives the ...

As the Sloth Conservation Foundation noted, 40 percent of sloths globally are threatened with extinction. This is in large part because humans have been encroaching on their native habitat.