Sloths have been depicted as the slowest-moving mammals in the world, and have been stuck with that reputation. However, sloths are amazing animals. They may seem innocent and defenseless, but sloths ...

Ancient sloths lived in trees, on mountains, in deserts, boreal forests and open savannahs. These differences in habitat are primarily what drove the wide difference in size between sloth species. But ...

Ancient sloths lived in trees, on mountains, in deserts, boreal forests and open savannahs. These differences in habitat are primarily what drove the wide difference in size between sloth species.

Breakthroughs, discoveries, and DIY tips sent every weekday. Terms of Service and Privacy Policy. Central and South America’s sloth populations may face a dire ...

A sloth scientist, her tree-climbing BFF, and their dog work to save Costa Rica’s sloth populations in groundbreaking ways, all while capturing rarely seen wild sloth behaviors and reimagining what it ...

The apparent docility and friendliness of “smiling” sloths have made them tourist darlings, but have also put a target on their backs. The rise in trafficking of these animals led the governments of ...

The Smithsonian’s National Zoo and Conservation Biology Institute (NZCBI) announced Jan. 6 that two sloth bear cubs were born ...

Sloth bear cubs have been born at the National Zoo for first time in years. It is unclear which of the zoo’s two males is the ...