Fans of the movie franchise Zootopia know that sloths make the perfect DMV (Department of Mammal Vehicles) workers.

Fossils of a 27,000-year-old giant ground sloth have given scientists insight into what life was like for the roughly 13-foot-tall beast before it died, according to a new study. Scientists at the ...

New research on the evolutionary relationships between tree sloths and their extinct giant relatives is challenging decades of widely accepted scientific research. A team of international researchers ...

From lab electrodes to canopy bridges, sloth science shows how patience, data and habitat design turn mystery into daily survival.

A Smithsonian scientist found that pygmy sloths wander inland in addition to inhabiting the mangrove fringes of their island refuge. He realized that the population size of the pygmy sloth was ...

It’s not considered polite to talk about it, but we all do it. Some of us are in and out so quickly that nobody would even know we were gone. Others quietly get up from the sofa, tuck a newspaper ...

When you think of sloths, you may believe they’re slow, right? Not always. And especially not when they brawl with ocelots. A University of Texas at Austin research team caught rare footage of a sloth ...

Sloth selfie bans are spreading because cute photos hide stress, disease risk, and illegal wildlife trade most tourists never ...

This episode of the Inside NATURE podcast is all about sloths–perhaps the strangest group of creatures evolution has ever produced. While other species get ahead by being the fastest, the biggest or ...

A Smithsonian scientist found that pygmy sloths wander inland in addition to inhabiting the mangrove fringes of their island refuge. He realized that the population size of the pygmy sloth was ...