Imagine a sloth. You probably picture a medium-sized, tree-dwelling creature hanging from a branch. Today's sloths—commonly ...

The extinction of the Pleistocene megafauna may be people’s fault after all, according to a recent study.

Researchers often rely on fossil teeth for clues about what extinct animals ate. Giant ground sloths’ teeth have been tricky to analyze, though – until now.

Roger Williams Zoo just welcomed its tiniest new tenant: a baby two-toed sloth. On Oct. 11, the new sloth was born at the zoo ...

Largely outshone by fossils of horses, the earliest camels are getting another look from scientists determined to sort out ...

Prioritizing which animals and plants to help is driven mostly by whether we like them or not. Some experts say that may not ...

If patience were a superpower, sloths would wear the crown. These famously slow-moving creatures spend their days dangling ...

While the majority of animals (humans included) roam the Earth, some of nature’s most fascinating creatures spend their lives ...

As the eastern coyote is more frequently seen on city streets in Portland, as well as in the countryside, the animal is often ...