If large creatures like elephants, giraffes and bison are allowed to thrive, they could alter habitats that allow for the ...

Sloths, the world's slowest mammal, have been around for 64 million years. Sharyn Alfonsi traveled to Costa Rica to learn more about how they've survived.

Sloths belong to the order Pilosa, a group that includes anteaters and armadillos. While they don’t look much alike at first glance, these animals share genetic and anatomical traits.

The survival of sloths is under threat due to climate change, according to a new study. The famously slow-moving — and adorable — creatures of Central and South America could die out if ...

Today’s small arboreal sloths are the last remnants of a once-diverse group, surviving likely because they inhabited secluded forest canopies and avoided direct human pressures, say the authors.

Sloths weren’t always slow-moving, furry tree-dwellers. Their prehistoric ancestors were huge — up to 4 tons (3.6 metric tons ...

Sloths hardly changed in size for 20 million years, and lived on the ground. Then, during a warming period around 16 million years ago, sloths adapted by evolving smaller physiques due to their ...

Sloths, the famously slow-moving yet adorable creatures native to Central and South America, could face extinction by the end of the century due to climate change.. Researchers investigating how ...

Sloths, the slow-moving inhabitants of Central and South American rainforests, could face extinction by the end of the century due to rising temperatures caused by the climate crisis, a new study ...

Central and South America’s sloth populations may face a dire existential threat from climate change by the end of the century. New research published on September 27 in the journal PeerJ ...