Thanks to volcanic activity, Yellowstone National Park is always changing.

The park sits atop a volcanic hot spot and is always gradually changing, thanks to powerful geological forces.

The new thermal feature made a strong showing throughout the summer and fall, but waned in the winter.

New Nymph Lake thermal feature

A new thermal feature in Yellowstone marked by a plume of steam and that formed in early August 2024.Credit:Mike Poland/Courtesy of USGS