See Yellowstone National Park’s most colorful hot springs from a great vantage point when you hike the Grand Prismatic Spring ...

The Grand Prismatic hot spring in Yellowstone National Park is sourced from a magma chamber beneath it. The bright colours are produced by hydrophilic bacteria in the mineral-rich water.

Wyoming is home to some of the most popular national parks! Wyoming National Parks include Yellowstone National Park, Grand Teton National Park, Devils Tower, and more! Wyoming National ParksThat ...

Yellowstone National Park officials are reminding visitors to cautiously view the park’s iconic hot springs, after a bison recently slipped into the Grand Prismatic Spring and died.

In a new study, published July 18 in the high impact journal Science Advances, Western engineering professor Bing Li and his ...

The Grand Prismatic Spring, located within Wyoming's Yellowstone National Park, is the largest hot spring in the United States, and the third largest in the world. Here are photos of the famous ...

The Grand Prismatic Spring of Yellowstone National Park is the largest thermal spring in the US and the thirds largest in the world. But the sheer size of this 61-100 meter (200-330 feet) wide ...

A tourist has crashed a drone into Yellowstone National Park's world-renowned Grand Prismatic Spring, potentially damaging it, park officials said. The crash into the park's largest hot spring ...

Janell Duncan sent in this wonderful photo of the Grand Prismatic Spring in Yellowstone National Park. The photo, Duncan told TODAY.com, was taken in August 2010 when she, her husband and their ...

Get any of our free daily email newsletters — news headlines, opinion, e-edition, obituaries and more. A trail to a popular overlook in Yellowstone National Park has reopened after park staff ...

At 250-by-300 feet and up to 160 feet deep, the Grand Prismatic Spring is the largest hot spring in the USA. Its brilliant colors are the result of pigmented bacteria living on its perimeter.