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

BILLINGS, Mont. - The Yellowstone Valley Animal Shelter is receiving help from local businesses after having to move out of ...

A gunman shot two National Guard troops in a cowardly “ambush”-style attack — leaving them in critical condition — just ...

In this handout image provided by Grand Canyon National Park, the Dragon Bravo Fire is seen at Grand Canyon National Park on ...

Up to 30% of life, by weight, is underground. Seismic activity may renew the energy supply for subterranean ecosystems.

Widespread flooding across nine provinces in southern Thailand has claimed 13 lives, with nearly two million people affected, ...

Live coverage from Touro Hospital after a fire prompted evacuations. All patients are safe, fire contained, and firefighters ...

The $118 million project provides year-round access to the Northeast Entrance of Yellowstone National Park and Montana communities.

With Yellowstone sitting atop a colossal volcano, experts warn that a future eruption could cover South Dakota in ash, ...

WEATHERFORD, Okla. (AP) — A leaking tanker truck spewed dangerous ammonia gas outside a hotel overnight, filling its hallways with fumes and forcing hundreds of nearby residents of a small Oklahoma ...