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 ...

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.

This is an updated version of a story first published on Sept. 24, 2023. The original video can be viewed here. The stopwatch has long been the symbol of 60 Minutes. But any measure of time is ...

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 ...

Sloths are known for their slow and sleepy nature. These cute mammals, which spend most of their time upside down, can be found in the trees of South America and Central America. These mellow-looking ...

A Costa Rica rescue center offers blankets and bottle-feeding at a nursery for these young animals Photographs by Annie Marie Musselman Text by Niko Zlotnik Hoffmann’s two-toed sloth babies need round ...

The aggression of sloth bear's could be explained by the species' early coexistence with tigers, a new study suggests. Sloth bears are considered one of the most dangerous animals in Asia. Although an ...