The Megatherium was one of the largest ground mammals ever to have existed. This giant ground sloth dominated the continent’s southern grasslands and lightly forested areas and was something of ...

Ahead of a road construction project in Lubbock, Texas, the state's Department of Transportation sent archaeologists to ...

Researchers analyzed fossils and DNA to get a big-picture view of sloth evolution and determine what drove their immense size ...

Explore how ancient sloths evolved in size, from small climbers to massive ground dwellers, shaped by shifting climates and ...

But as the planet cooled again, sloths began to bulk up. The largest ground sloths emerged during the Ice Ages. Big bodies ...

Giant sloths used to roam all over North America. Over 10 times bigger than today’s sloths, many lived on the ground instead ...

The largest sloths, including Megatherium and Mylodon, likely evolved from a tree-adapted sloth that ultimately decided to stay ... Then something earth-shattering occurred. A giant wound opened up ...

A new fossil and DNA analysis traces how dozens of sloth species responded to climate shifts and humans. Just two small tree-dwelling sloths remain today.

Today, there are only two sloth species, but historically ... The largest sloths, in the genus Megatherium, were about the size of Asian bull elephants and weighed roughly 8,000 pounds.

Sloths have a reputation for being sluggish and slow, spending most of their lives dozing in trees, but a new study suggests ...

The megatheres, known as Eremotherium and Megatherium, were among the biggest terrestrial mammals of their time. The team started by determining sloth body temperature. They employed an analysis ...

The largest sloths, including Megatherium and Mylodon, likely evolved from a tree-adapted sloth that ultimately ... Then something earth-shattering occurred. A giant wound opened up between ...