Dan Carlson says drones have flown after dark near his Nebraska farm four times this year. He suspects military involvement. U.S. Air Force officials overseeing dozens of nuclear missiles scattered across the region deny any role in the drone sightings.
A freight train derailed in Wyoming.
A pair of wolf pups were fatally hit by a vehicle in Yellowstone National Park after the animals became used to humans and started hanging around a road near their den, park officials said.
A man suffered severe thermal burns after falling into a hot spring near the cone of Old Faithful Geyser at Yellowstone National Park on Sunday, according to a release from the National Park Service.
The North Carolina native has just been named the very first female chief ranger at Yellowstone National Park.