Monument Geyser Basin is one of the most unique areas of Yellowstone National Park. Its ancient undersea wasteland at 7,300 ...

The temperature of the water dictates the color of the Cyanobacteria. Cooler waters form different shades of orange, brown, or rust. Hot temperatures closer to 176 degrees are usually yellow-green.

A brilliant new creation is helping one of the best preserved places in the world. Yellowstone National Park has begun to use porous, or thirsty, concrete in walkways throughout their park.

Formed over thousands of years of erosion caused by hydrothermal activity, water and other natural forces, the Grand Canyon of the Yellowstone is the primary attraction in the Canyon Village area ...

Yellowstone National Park’s ... However, “natural changes may be cooling the water,” with cool temperatures allowing “orange-and yellow-colored bacteria to thrive.” ...