TUCSON, Ariz. — The National Park Service announced Tuesday that eleven national park sites throughout Southern Arizona will reopen more visitor services in October. The visitor centers will ...

In between keeping clueless visitors away from ornery wildlife, cleaning park bathrooms and filling in for departed co-workers, National Park Service employees must add yet another task to their ...

The Twitter prohibition came Friday after the official account of the National Park Service — a bureau of the department — retweeted a pair of posts to its 315,000 followers that seemed to be ...

The National Park Service apologized on Saturday for what it called “mistaken RTs from our account yesterday.” We regret the mistaken RTs from our account yesterday and look forward to ...