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 ...

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

Most of us are familiar with sloths, the bear-like animals that hang from trees, live life in the slow lane, take a month to ...

Massive Megatherium sloths once stood as large as Asian elephants, ripping foliage off treetops with prehensile tongues like ...

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

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

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.

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 ...

These differences in habitat are primarily what drove the wide difference in size between sloth species ... The largest sloths, in the genus Megatherium, were about the size of Asian bull ...

Alberto Boscaini The skeleton of Megatherium americanum, an extinct species of giant ground sloth, in Museo Argentino de Ciencias Naturales in Buenos Aires, Argentina The researchers say it is a ...

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.