Deep heat beneath the Appalachian Mountains may be linked to an ancient rift with Greenland, helping explain why the range is ...

In a rugged patch of the Appalachian Trail in eastern Tennessee, volunteers size up a massive, gnarled tree lying on its side ...

Bill Finch's discovery of a thought-extinct Hawthorn tree species redefines Alabama's rich biodiversity and shapes future ...

For Jeff Martz and Matt Wilson, the Appalachian Trail is more than just a footpath running through town. It’s a lifeline.