The fossil discovered at Sea-Tac Airport is at the Burke Museum, and named for the man who first came across it. Nearly 60% ...

From a passageway made by giant sloths to a slinky tunnel bridge and an 'entrance to hell' - there are some extraordinary ...

A sloth’s slow nature is actually a survival mechanism. While ancient ground sloths ate various plants and roamed vast lands, today’s arboreal sloth evolved for life in the trees. This meant ...

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 ...

For a long time, scientists believed the first humans to arrive in the Americas soon killed off these giant ground sloths through hunting, along with many other massive animals like mastodons ...

For a long time, scientists believed the first humans to arrive in the Americas soon killed off these giant ground sloths through hunting, along with many other massive animals such as mastodons ...