The Megatherium roamed South America for 5.3 million years before it went extinct — though some Indigenous people claim to ...

Imagine a world where forests echoed with the slow, thunderous steps of creatures as large as small cars. Millions of years ...

They’re slow, they’re sleepy, and they’ve taken over the internet—but sloths are more than just cute animals hanging from ...

Remarkably, they found that, at 84 to 89 degrees Fahrenheit, these ground sloths had a lower core body temperature than most large land mammals today. Randon Flores, another study co-author and a ...

A sloth in Cheshire has successfully undergone “pioneering” surgery to cure its toothache. Rico, 25, is believed to be the ...