Lightning strikes above the Fan and Mortar geysers in Yellowstone's Upper Geyser Basin. Geysers are formed when underground water meets superheated rock and blasts back out through a narrow hole.

A new study highlights how life possibly evolved prior to and during the rise of Earth’s oxygenated atmosphere.

As with most Yellowstone geysers, Excelsior activity is sporadic and unpredictable. And also spectacular. As Stan Lee would say, “Excelsior!” ...

Yellowstone National Park is noted for the geothermal marvels, but it is the threat below ground that holds the attention. Events such as the Black Diamond Pool explosion and current seismic activity ...

For more information on Steamboat Geyser along with information about the last eruption, visit the NPS webpage. Special Yellowstone “Hot Spots” Deals From West Yellowstone (58 reviews ...

Yellowstone's magma system shows new activity, with the northeast sector possibly hosting future volcanic activity.

YELLOWSTONE NAT'L PARK, Wyo. - A magnitude 3.9 earthquake occurred near Norris Geyser Basin in Yellowstone National Park on January 28 at about 6:00 p.m. MST. The United States Geological Survey ...

America’s First National ParkYellowstone National Park holds the title of being America's first national park, and it was ...