Glen Canyon National Recreation Area's visitors are shrinking along with Lake Powell.

Some popular areas in the park will reopen before May 15 if weather allows, and a House bill could fast-track some work.

Officials at Grand Canyon National Park say they could reopen the North Kaibab Trail and parts of the Arizona National Scenic ...

Tribes and environmentalists say the Interior Department's actions are attempts to erase complete tribal histories from park ...

Millcreek residents and leaders made their voices heard as the Department of Air Quality held a public hearing Wednesday ...