Yellowstone National Park has long been home to thousands of bison, the area’s most iconic animal. Almost daily, tourists ...

The recent death of a bison at Grand Prismatic Spring is an emphatic example of the danger posed by thermal areas in ...

The incident occurred at Grand Prismatic Spring near Old Faithful as tourists were enjoying a close-up view of the famous and ...

It happened on Saturday morning, June 21, at the park’s Grand Prismatic Spring, Michael Poland, geophysicist with the U.S. Geological Survey and scientist-in-charge of the Yellowstone Volcano ...

Yellowstone National Park is full of grizzlies, wolves and elusive mountain lions. But the apex predators of the park might ...

Yellowstone National Park reminds guests who are visiting on the Fourth of July to leave the fireworks at home, and to come ...

The Yellowstone Wolf Project is a detailed study of wolves in the national park, including the animals' population, predator-prey interactions and social behavior. Researchers place collars with very ...

Photos show the bison struggling in the spring, thrashing and jumping into the air to try to get away from the boiling hot ...

National Park Serviceprovides tips on how to have an enjoyable and safe trip when visiting the National Park of Yellowstone.

Some Yellowstone visitors were left reeling from witnessing a bison’s last moments after the animal fell into one of the park ...