"They call them the sloths of the Cretaceous period," said University of Calgary paleontologist Darla Zelenitsky. "Totally ...

Tropical rainforests in Central and South America house one of the world’s most unique mammals, the slow-moving, tree-top ...

Kobayashi and his colleagues christened the new therizinosaur, Duonychus tsogtbaatari. The genus name means “double claw”, ...

Sloth bears are native to India and Sri Lanka and are listed as "vulnerable" on the International Union for Conservation of Nature Red List of Threatened Species. The bears face major threats ...