Xanterra Travel Collection, the primary foodservice provider for several of the United States' most visited national parks, ...

In this Aug. 3, 2017 photo, Heidi Anderson, director of the Yellowstone National Park Herbarium speaks about plants, in the Heritage and Research Center in Gardiner, Mont.

Scientists have long been mystified about how animals who munch on plants in Yellowstone National Park all get enough food to eat. Animals all living in the same habitat and eating the same foods ...

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

The “first national park” was born 151 years ago, on March 1, 1872, when President Ulysses S. Grant signed into law the Yellowstone National Park Protection Act.

Construction of the $120-million, four-span steel plate girder bridge spanning the Yellowstone River gorge is slated to ...

Yellowstone National Park's nearly 3,500 square miles seep slightly across state borders into Montana ... you can walk among the petrified remains of ancient plants and trees in the Specimen ...

After historic flooding in 2022, Yellowstone National Park is fixed up and ready for visitors this year. “All major road in the park are now open, including the North and Northeast entrance ...

Yellowstone National Park visitors were sent running and screaming Tuesday when a hydrothermal explosion spewed boiling hot water and rocks into the air. No one was injured, but it has left some ...