On a talus-strewn slope in eastern California’s mountains, a gnarled tree twists toward the sky. It is Methuselah, a Great ...

While the majority of animals (humans included) roam the Earth, some of nature’s most fascinating creatures spend their lives ...

It’s understandable if you’ve never heard of the coastal marten. These secretive—but adorable—woodland carnivores nearly went extinct. Fortunately, these ferret-sized mammals are making a slow ...

They creep, slither and slide over and around each other by the dozen and now there's a webcam so that anybody can watch them ...