The New South Wales government has announced plans for Gulguer National Park, a new protected landscape in Western Sydney.

For 20 years, the National Geographic photographer has showcased Earth’s animals in a series of striking images that make ...

How can a fish be born as one sex and later become another? For most animals, the answer is simple. They are born either male ...

A spectacular fossil site in Canada contains 567-million-year-old creatures that may represent some of the earliest animals to move, reproduce sexually, and develop recognizable body plans. The ...