Two pools at Yellowstone National Park are overflowing and the area remains hazardous for visitors two days after a hydrothermal explosion in the park's Biscuit Basin. An underground stream of water ...

Tourists have ruined one of Yellowstone’s most gorgeous thermal pools — turning its once-pristine blue waters into a mishmash of colors because of years of accumulated coins and trash, officials said.

One of Yellowstone’s most active hydrothermal pools has exploded again, and the eruption was captured on video. The U.S. Geological Survey (USGS) recently shared footage of a mass of mud and water ...

In the 1950s, a famous geyser in Yellowstone National Park was transformed into a swimming pool, drawing crowds of tourists eager to relax in its naturally warm waters. This unusual attraction became ...

Did you know that in the early days of Yellowstone Park’s history (the 1950s to be exact), one of its famous geysers was converted into a giant swimming pool? Sourced by warm, inviting spring water, ...

If rain, lightning and cool weather aren't enough to keep visitors from swimming in Yellowstone from now until Oct. 7, the park has another reason to consider. To help restore native Yellowstone ...