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

Discover 20 miles of backcountry trails, towering quartzite cliffs, and primitive camping in Tennessee's most diverse under-the-radar mountain paradise.

A bold new theory reimagines the NAA as a "Rayleigh–Taylor instability"—a geological term for when heavy, cold rock begins to ...

Great Smoky Mountains National Park straddles the mountain ridges of Tennessee and North Carolina, drawing visitors from ...

Roughly 124 miles (200 kilometers) beneath the Appalachian Mountains in New England lies the aptly named Northern Appalachian ...

Volunteers are still rebuilding parts of the iconic Appalachian Trail in eastern Tennessee nearly a year after Hurricane ...

Weather Smoke from Appalachian Mountain wildfires in the air above northeastern Pennsylvania If you smell smoke, it could be from wildfires burning in the Appalachian Mountains to our south.

T wo separate pairs of hikers needed help from rangers and the National Guard after becoming stuck overnight on Katahdin’s ...

After recording some of the hottest conditions of the year Tuesday, forecasts show Alabama will get some relief from the ...