During the early Paleocene, about 66 to 56 million years ago, a species of small mammal known as Mixodectes pungens […] ...

Each time a species goes extinct, the world around us unravels a bit ... deserts and swamps. No group of animals has a higher rate of endangerment than amphibians. Scientists estimate that a third or ...

Make a symbolic penguin adoption to help save some of the world's most endangered animals from extinction and support WWF's conservation efforts.