"They call them the sloths of the Cretaceous period," said University of Calgary paleontologist Darla Zelenitsky. "Totally bizarre looking things." In the interview with the Canadian Press, Zelenitsky ...

New research painted a more accurate picture of the megafauna that spread widely around the Americas before they went extinct ...

children will discover more about the physical features of sloths, their folivorous diets, tropical habitats, various species of sloths and adaptations that aid in their survival. Included in the ...

Researchers in Mongolia's Gobi Desert have discovered a unique two-clawed dinosaur species, Duonychus tsogtbaatari, from the ...

The San Diego Zoo announced on Wednesday the results of a public poll that determines the names of two sloth bear cubs that were born back in December.