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 ...

MAMMOTH, Wyo. – Yellowstone National Park's oldest and hottest geothermal area, a favorite spot for park visitors, was shaken by a moderate earthquake Tuesday evening. The U.S. Geological Survey ...

But here’s the thing: If you visit Yellowstone National Park in the winter months, you can see the resplendent landscape, bursting with hydrothermal features and the largest concentration of ...

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 ...

Yellowstone National Park is home to many of the largest known volcanic eruptions on the planet, and scientists have new research that is helping determine when – and where in the park – the next one ...