Climate change is melting away glaciers around the world, but in the Andes Mountains, a wild relative of the llama is helping local ecosystems adapt to these changes by dropping big piles of dung.

Feces don’t get enough credit as food. The stinky stuff is not just an end product after food gets eaten, digested and finally discarded by animal guts. Poop can also be something nutritious, useful ...

Whales are a group of mammals that live in oceans. They include some of the largest animals on Earth. The blue whale is the biggest animal that has ever existed. Whales can be found in every ocean, ...