Two moderate earthquakes, one of which registered as a magnitude 5 temblor, rattled the island of Hawaii on Friday morning and could be related to recent geologic activity at Mauna Loa in Hawai'i Volcanoes National Park, the U.S. Geological Survey reported.

Staffing shortages are behind the decision to close Wetherill Mesa at Mesa Verde National Park a week earlier than expected.

Barring unforeseen events, Yellowstone National Park’s Northeast Entrance Road linking Tower Junction to Cooke City/Silver Gate in Montana will open to regular visitor vehicle traffic Saturday at 8 a.m. local time.

Drought conditions have prompted the delivery of supplemental water for Tule elk at Point Reyes National Seashore in California.