“Sloths are inherently limited by their slow metabolism and unique inability to regulate body temperature effectively, unlike most mammals,” Cliffe explained in an accompanying statement. “Our ...

Sloths, the world's slowest mammals, have evolved over 64 million years into a species that thrives throughout Central America and northern South America, but climate change and human sprawl could be ...

Long before today’s tree-dwelling sloths, a 4-ton giant roamed South America — and it may have stood and fought like a bear.

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

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

Sloths are notoriously slow. Living in rainforests in Central and South America, sloths spend most of their time hanging upside down in the trees, rarely coming down to the ground. There are two main ...

Oct. 20 is International Sloth Day, but every day is a good day to learn more about one of the coolest animals on the planet. The small cuddly sloths of today were not so adorable a few million years ...

Wildlife photographer Lucy Cooke's new book "Life in the Sloth Lane" is packed with stunning shots of sloths Kelli Bender is the Pets Editor at PEOPLE. She has been working at PEOPLE since 2013. Her ...

Cincinnati zoo sloths Lightning and Moe are expecting their first offspring, due in September or October For the first time ever, the Cincinnati Zoo is expecting a new addition to its sloth family.