Penguin chicks, whose coats are made of fluffy down feathers, aren't as protected from the rain as adult penguins. Getting ...

Consulting research studies, documented observations, and news articles, Stacker compiled 12 instances of animals in the wild adopting other animals of different species. The list includes the ...

For "Earth Day", the National Geographic documentary series "The Secret World of Penguins", produced by Oscar winner James ...