A new study shows as much as 40 percent of Yellowstone's trees are dead and pose major fire risks to important parts of the park.

As far as the Biden administration is concerned, a proposed Alaska mining road through a U.S. national park and adjacent federal land is kaput. Rejected. Case closed. Or so it was thought.

A home built on an inholding within Glacier National Park was ordered removed by a local governing body. Now the homeowners are taking that body to court.

Erosion along the shoreline at Fort Raleigh National Historic Site in North Carolina is posing a threat to archaeological sites and park facilities, prompting the National Park Service to consider ways to halt the erosion along roughly 1 mile of shoreline.