In the late 1800s, geologists studying the Great Plains region of the United States puzzled over strange deposits. For example, a "white, flour-like earth" in Nebraska. Although initially thought to be from nearby hot springs, under the microscope it was determined that these deposits, which could be found across the region, were from volcanic ash that had rained down from some huge prehistoric eruption.

A 50-year-old Texas man, returning to the South Rim of Grand Canyon National Park after a night spent at a campground halfway to the Colorado River, collapsed and died about 100 feet below the rim.

Two men drowned at separate locations in Glacier National Park on Saturday, July 6, 2024.

With Tropical storm Beryl and its growing fury turning towards the Gulf Coast of Texas, the National Park Service closed Padre Island National Seashore to the public.