Yellowstone National Park Celebrates 145th BirthdayThe world's first national park turned 145 on Wednesday.
Yellowstone National Park Entrances Open Despite Heavy SnowBoth the south and east entrances to Yellowstone National Park were closed Wednesday due to heavy snowfall.
Visitor Misbehavior Abounds As U.S. Parks Agency Turns 100As National Parks celebrate 100 years, respect among visitors with wild animals is falling, including in Rocky Mountain National Park.
Forecasts Favor Fire Growth In Yellowstone, Grand TetonAs visitors enjoyed free entry to Yellowstone and Grand Teton national parks on Friday firefighters in both parks prepared for an expected increase in fire activity over the weekend.
Black-Footed Ferrets Return To Where They Held Out In WildA nocturnal species of weasel with a robber-mask-like marking across its eyes has returned to the remote ranchlands of western Wyoming where the critter almost went extinct more than 30 years ago.
Authorities ID Remains As Those Of Missing Colorado Treasure HunterA treasure hunter who disappeared this year while searching for an author's cache of gold and jewels in the New Mexico wilderness was confirmed dead.
Man Reportedly Falls In Hot Spring At Yellowstone, Feared DeadRangers searched Tuesday for a man who reportedly fell into a hot spring at Yellowstone National Park.
Park Service Considers Visitor Caps, Expects Record CrowdsAs the National Park Service kicks off a centennial summer expected to draw record crowds, the agency is seriously considering caps on how many people pass through some of the country's most iconic landscapes and historical sites each day.
Colorado Wildlife Officials: Leave Newborn Animals AloneWildlife officials in Colorado commented on the tragic situation of the newborn baby bison that had to be put down after tourists in Yellowstone put the animal in their car.
Baby Bison Put Down After Yellowstone Tourists Place It In CarA bison calf of Yellowstone National Park had to be put down after tourists placed the animal in their vehicle last week.
Genetically Pure Bison Herd Coming To Colorado From YellowstoneA herd of genetically pure bison are again finding a home on the range in Colorado.
Dog Reunited With Denver Family After Wandering Yellowstone National Park Since JulyA Denver couple and their dog a have been reunited after a miraculous journey.