Over the past six years, thousands of hikers have snapped photos of plants and animals on the Appalachian Trail. They’ve uploaded those photos to an app called iNaturalist, which records their ...

Appalachia is a global biodiversity hotspot for salamanders, with more salamander species than anywhere else in the world. Scientists have documented this remarkable concentration of amphibian ...

Great Smoky Mountains National Park straddles the mountain ridges of Tennessee and North Carolina, drawing visitors from throughout the world who enjoy its diversity of plant and animal life, the ...