An aerial view looking to the west at the Roadside ... CREDIT: Figure by Jefferson Hungerford, Yellowstone National Park. “But as fall began to turn into winter, the steam plume gradually ...

in the latest edition of Yellowstone Caldera Chronicles, which is part of the USGS. Aerial view looking to the west at the Roadside Springs hydrothermal area and Nymph Lake showing the locations ...

New features form all the time in Yellowstone, though it is rare for a completely new thermal area to pop up. Researchers occasionally catch new areas forming through satellite imagery and aerial ...