Grand Prismatic Spring ascended from a beautiful backwater spot to the second most popular destination in Yellowstone ...

The Midway Geyser Basin's Grand Prismatic Spring is the largest hot spring in Yellowstone and one of the largest hot springs in the world. Measuring approximately 370 feet in size and around 121 ...

It's not the geothermal geysers, bears, or bison, but this one safety concern in Yellowstone National Park claims more lives ...

Discover Yellowstone National Park, the geological crown jewel of the United States, home to the famous Grand Prismatic Spring, a natural wonder of flamboyant hues.

How the Grand Prismatic Spring Gets Its Kaleidoscopic Colors The beating heart of Yellowstone National Park is without a doubt the Grand Prismatic Spring—the largest hot spring in the U.S.

Yellowstone is a great refuge not just ... drip by drip. The colors of Grand Prismatic Spring come from thermophiles: microbes that thrive in scalding water. The green is chlorophyll they use ...

More than a third of Yellowstone, including Grand Prismatic Spring, sits within the caldera of a giant, ancient, yet still active volcano. Someday it will erupt again, catastrophically—but the ...

Yellowstone, home to many supervolcanoes on Earth, has shown some underground movement for the first time in 160,000 years. Scientists have detected magma moves, which have caught many’s attention and ...

Yellowstone Caldera Chronicles is a weekly ... adjacent to the spectacular Grand Prismatic Spring. The geyser may have formed sometime in the mid-1800s — it was not described by a trapper ...

Yellowstone's volcanic activity is waking up after 160,000 years. Learn how scientists are monitoring and preparing for ...