Austin King, 22, has been missing since he failed to return from a week-long solo excursion to summit Eagle Peak, the highest point in Yellowstone.

Officials at Yellowstone National Park have launched an urgent appeal after one of their employees disappeared while hiking a mountain in stormy weather in a remote section of the park.

The search is on for Austin King, a 22-year-old concession worker at Yellowstone, who reached the top of the park's highest peak last Tuesday and

A 22-year-old Yellowstone concession worker, Austin King, was reported missing last week after he didn't return from his hike in the park.King planned to complete a 7-day backpacking trip to Eagle Peak,

A 22-year-old Yellowstone National Park employee was last heard from when he called friends and family from the summit of a mountain in the park. He described encountering bad weather while on the peak that evening. Then he vanished, rangers say.

A massive search-and-rescue effort is underway for a Yellowstone National Park employee who went missing after climbing Eagle Peak ahead of inclement weather.

Search and Rescue crews continue to look for a 22-year-old reported missing in the backcountry of Yellowstone National Park.

Austin King called friends and family from the summit of Eagle Peak, the highest point in Yellowstone National Park. The 22-year-old hiker told one relative he was dealing with fog, rain, sleet, hail,