Large herbivores, such as bison and elk, have lived continuously in Yellowstone National Park for more than two millennia, a new study has confirmed. Despite the near-extinction of bison in North ...

Large herbivores like bison or elk have continuously lived in the Yellowstone National Park region for about 2,300 years, according to a new analysis of chemicals preserved in lake sediments.

The magma cap is critical for preventing eruptions at Yellowstone. Geoscientists have discovered a magma cap at Yellowstone National Park that is likely playing a critical role in preventing a ...

Squat rhinos lived in North America about 12 million years ago, congregating in huge, water-bound herds much like modern hippos.

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 ...