For pet and lab mice, running wheels are a common feature, often used to encourage exercise. However, some scientists have argued that mice only run on these wheels because they live in cages and that ...

From Great White Shark to Javan Rhino, here’s a list of animals that you’ll never find at a zoo.

Zoos have existed for centuries, evolving from royal menageries to modern biodiversity reserves. Initially, the main purpose ...

A cloned black-footed ferret at the Smithsonian Zoo has given birth to two kits in an effort to conserve the endangered ...