A 22-year-old Utah man who threatened to kill his ex-girlfriend and then led rangers on a high-speed chase through Yellowstone and Grand Teton national parks has been sentenced to three years in ...

A Yellowstone National Park trail remained closed Wednesday after a possible grizzly bear attacked a hiker, leaving him with serious injuries. The 29-year-old man suffered injuries to his chest and ...

Yellowstone National Park late Sunday closed all roads south of Mammoth because of hazardous driving conditions and multiple weather-related vehicle incidents. The temporary closure went into effect ...