Ice-blue in color, warm in temperature and a little larger than a backyard hot tub, the pool is the newest known feature to ...

More geological changes are occurring at Yellowstone National Park, as another hole forms in one of the park's basins.

Beneath Yellowstone’s stunning surface lies a hyperactive seismic world, now better understood thanks to machine learning. Researchers have uncovered over 86,000 earthquakes—10 times more than ...

A hydrothermal explosion has created a 13-foot blue water feature in Yellowstone National Park. The explosion appears to have ...

Learn about the new hydrothermal feature that appeared last winter in Yellowstone National Park, possibly on Christmas Day.

A 13-foot-wide hot pool formed over the winter in one of Yellowstone’s most active areas, and it could offer new insights ...

Yellowstone National Park announced Monday the discovery of a new 13-foot baby blue hot spring. It emerged with little ...

"The discovery emphasizes the dynamic nature of Yellowstone's thermal activity," Yellowstone Volcano Observatory's Mike ...

Yellowstone National Park, renowned for its geothermal features and volcanic history, is beginning to show signs of renewed ...

Last April, geologists conducting routine maintenance at temperature logging stations in Yellowstone National Park’s Norris ...

Find out how some animals at Yellowstone National Park make fatal mistakes, and learn about the real reason why hot springs ...

The stunning natural beauty, abundant wildlife, and fun outdoor recreation of Glacier and Yellowstone render them two of America's most popular national parks, which can lead to issues with crowds.