IDAHO FALLS – An avalanche warning is in effect for mountain areas near Island Park and West Yellowstone. The National Weather Service in Pocatello issued the warning just before 7:30 p.m. Sunday.

We know that a supervolcano, Yellowstone, is located practically in our backyard. The region is constantly going through geological changes, as there was a recent discovery of a new volcanic vent in ...

She was then life-flighted to the Burn Center at Eastern Idaho Regional Medical Center, park officials said. "Hot springs have injured or killed more people in Yellowstone than any other natural ...

The Union Pacific Railroad will be replacing the railroad crossing at Ash Street in Idaho Falls. Beginning April 3, Ash Street from Eastern Avenue to Northgate Mile (Yellowstone Highway) will be ...

The canyon is anywhere from 800 to 1,200 feet deep and features multiple falls that cascade down the Yellowstone River, including the 109-foot Upper Falls and the 308-foot Lower Falls, pouring out ...

A park scientist noticed it about two weeks after a hydrothermal explosion along a boardwalk during the park’s overactive summer.

Sites located in Madison and West Yellowstone include hydrothermal attractions, including Fountain Paint Pot. There's also Fairy Falls and the Madison River, the latter of which a prime spot for ...

This is the first national park in the world, and it is located primarily in Wyoming, with parts extending into Montana and Idaho ... West Thumb Geyser Basin, located along the shores of ...

A new thermal vent spewing steam in the air at Yellowstone National Park is gaining attention, mainly because it's visible ...

LOTS of snow and gusty winds have created very dangerous avalanche conditions in southwest Montana and parts of Idaho.

Only a few of the dots on the U.S. Geological Survey National Water Dashboard appear gray at this midpoint of March. The ...