Imagine a world where massive, shaggy giants wandered ancient forests, their claws tearing at trees and their bulk reshaping ...

Sloths are notoriously hard to see and therefore can be hard to help. But one furry creature is at the heart of sloth ...

They’re slow, they’re sleepy, and they’ve taken over the internet—but sloths are more than just cute animals hanging from ...

One furry creature is at the heart of sloth conservation in Costa Rica: Keysha. Sloths are notoriously hard to see and therefore can be hard to help. But one furry creature is at the heart of ...

Midnight, 7, arrived from Birmingham Wildlife Conservation Park last month as part of a breeding recommendation.

“Isotopes are transformative to be able to illuminate the body temperature of extinct species,” Dr. Tripati said. Remarkably, they found that, at 84 to 89 degrees Fahrenheit, these ground ...

Early last year, keepers at Chester Zoo first spotted that 25-year-old Rico, a two-toed sloth, had swellings on the side of ...

The breed, Linnaeus’s two-toed sloth, is part of the Species Survival Plan (SSP), which is a cooperative, inter-zoo program ...

Stone Zoo in Stoneham welcomes a Linne’s two-toed sloth pup, born to Lunesta and Nero. The baby, their eighth, is thriving ...

In Mongolia's Gobi Desert, paleontologists unearthed Duonychus tsogtbaatari, a novel therizinosaur species from 90-95 million ...

A sloth has had pioneering dental surgery to cure toothache. Rico is believed to be the first sloth to undergo such an ...