A jaguar that snuck up on a photographer trying to spot an armadillo, a polar bear sitting on a sperm whale, and more take ...

Few figures in history have done more to change our understanding of the natural world. We celebrate Jane Goodall’s remarkable life with rare images from the National Geographic archives.

Photojournalist Ami Vitale followed Przewalski’s horses—once declared extinct in the wild—on a 2,000-mile journey back to ...

The University of Arizona Wild Cat Research and Conservation Center says it's the fifth big cat over the last 15 years to be ...

Legendary chimpanzee researcher Jane Goodall has died, the conservation organization she founded announced on Oct. 1.

Deep inside Ecuador’s Amazon basin, scientists have identified a massive new species of anaconda that may be the largest ...

This behemoth is the largest snake ever discovered. It’s not only bigger but also very genetically distinct from its southern cousin, raising questions about biodiversity and the Amazon’s fragile ...