Yellowstone is a dynamic geologic system—the one constant is change. This is demonstrated daily by hydrothermal activity ...

Yellowstone National Park is one of the most popular and fascinating parks in the U.S. Naturally, there are quite a few ...

Yellowstone National Park, the oldest national park in the USA and home to some of the most unique geological features on ...

If you don't get to see it, there are more than 500 active geysers located within Yellowstone National Park, including Old Faithful. Established in 1872, Yellowstone National Park was the world's ...

Learn more about the Norris Uplift Anomaly at Yellowstone National Park and how advanced monitoring systems helped researchers spot it again.

Steamboat Geyser holds an elusive reputation for its prolonged periods of dormancy followed by abrupt episodes of re-awakening.

A surprise eruption that shot steam, water and dark-colored rock and dirt dozens of feet into the sky Tuesday sent people running for safety in Yellowstone National Park. The hydrothermal explosion ...

A boy was sent to the hospital and treated for burns after breaking through the thin crust above thermal water. A 17-year-old tourist visiting Lone Star Geyser in Yellowstone National Park suffered ...

A teenage boy visiting Yellowstone National Park was seriously burned when his foot broke through the ground near a geyser by the infamous Old Faithful, officials said. The 17-year-old was hiking in a ...

Get any of our free daily email newsletters — news headlines, opinion, e-edition, obituaries and more. A 17-year-old male suffered what Yellowstone National Park officials say are “significant thermal ...

On Monday morning, a 17-year-old male suffered what Yellowstone National Park officials say are “significant thermal burns” to his foot and ankle area in the vicinity of Lone Star Geyser near Old ...