Every October 20, the world slows down (at least in spirit) for International Sloth Day. It’s the perfect excuse to celebrate ...

Imagine a sloth. You probably picture a medium-sized, tree-dwelling creature hanging from a branch. Today's sloths—commonly ...

World Sloth Day 2025 celebrates one of nature’s most intriguing and misunderstood creatures. Known for their incredibly slow pace, sloths embody a lifestyle that’s calm, patient, and perfectly adapted ...

Researchers often rely on fossil teeth for clues about what extinct animals ate. Giant ground sloths’ teeth have been tricky to analyze, though – until now.