Small Yellowstone quakes changed deep groundwater chemistry and boosted hidden microbes. The study shows how shaking can ...

A 22-year-old Utah man who threatened to kill his ex-girlfriend and then led rangers on a high-speed chase through ...

Yellowstone's new 1,175-foot bridge over the Yellowstone River opens to traffic, but other park construction projects face ...

National Park Service rangers at Yellowstone cited a visitor caught on camera approaching a wild wolf pack and sprayed them ...

Nonresidents will have to pay $250 for annual passes or $100 per person on top of the standard entrance fee to enter certain ...

Visitation fees for international visitors to Yellowstone and Glacier national parks are slated to increase substantially in ...

Pack long underwear, a wool sweater, a down jacket, and a wind- and waterproof outer layer (like a Gore-Tex jacket and pants) ...

A $100-per-person charge for foreigners entering Yellowstone, Grand Canyon and other popular national parks is stoking ...

Keith Kerbs was watching wolves at Yellowstone National Park when he saw a man getting very close to them. That's when he ...

Foreigners also will be left out of eight so-called “fee-free days” that correspond to patriotic holidays — including ...

The real story behind Yellowstone’s national protection. The post The Untold Story of How Yellowstone Became a National Park ...

The National Park Service was created by President Woodrow Wilson in 1916. According to the National Park Service, the first ...