When hydrologist Bob Beschta arrived in Yellowstone in 1996, he noticed something odd with the Lamar River. The stream was over-widened, the banks were eroding and precious soil was sloughing off ...

On March 1, 1872, President Ulysses S. Grant signed the bill creating Yellowstone Park, the first national park in the history of the world. Despite the fact that the new national park comprised ...

Jessie is living a parent's-worst-nightmare: racing to find her daughter, prove her innocence and stay alive in beautiful, isolated Yellowstone National Park. Unfortunately Disappearance in ...

The in-depth story of the Yellowstone's many scalding deaths. Beneath the stunning views of Yellowstone, with its simmering ...

Update: Our new Yellowstone National Park stories may surprise you with ... agreed-on definition—the term was popularized in a BBC documentary in 2000—but some scientists use it to describe ...