Too little food and too many ticks are adversely impacting the moose population at Isle Royale National Park, though a seemingly increasing wolf population could begin to play a role in producing a more balanced number of moose on the island.

What price should the National Park Service place on history? It often is a subjective question, with a wide range of answers. One individual's treasure is another's trash. At Delaware Water Gap National Recreation Area, officials are working to develop a sound approach to prioritizing more than 500 buildings at the park, with nearly 300 of them listed or eligible for listing on the National Register of Historic Places.

The Washington Monument in Washington, D.C., is scheduled to reopen to the public on Wednesday at 9 a.m. after a six-month closure. The monument will be open seven days a week from 9 a.m. to 5 p.m. Masks are required for everyone, regardless of vaccination status, inside the Washington Monument.

Searing heat that has settled over the Southwest has National Park Service officials urging visitors to prepare for the high heat and know their limitations.