A new light blue hot spring has formed in Yellowstone’s Norris Geyser Basin after months of small hydrothermal explosions.

The blue water spring is about 13 feet in diameter and 1 foot below the rim, USGS said. The water in the pool was measured at ...

Thermal water in Yellowstone also contains an abundance of arsenic, mercury, and fluoride at levels that are unsafe for human ...

Over 20 people have died after they entered or accidentally fell into the hot springs at Yellowstone National Park. There are ...

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

Yellowstone National Park geologists were surprised during a routine maintenance check. While inspecting temperature monitoring stations at Norris Geyser Basin, scientists discovered a brand-new ...

Get ready for a little Christmas in July: There’s a new baby blue pool in Yellowstone National Park, and science suggests it started forming on the winter holiday.