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

Yellowstone geologists discovered the baby hydrothermal feature in April while doing routine work at Norris Geyser Basin, the park’s oldest geothermal area, according to the Yellowstone Volcano Observatory.

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