Right now there’s a tree frozen up in the wilderness outside of Yellowstone National Park with names scrawled into the trunk.

Amazing! When I first started visiting the park I was told that they were there but (were) like ghosts because even Rangers ...

A pack of wolves took down a bison in Yellowstone National Park and attracted a crowd of people — that the rest of the bison ...

Scientists have assessed Yellowstone's chances of eruption by measuring electronic currents flowing deep within the Earth ...

Theodore Roosevelt once said, “There is a delight in the hardy life of the open. There are no words that can tell the hidden ...

Costner's journey follows the 1903 Yosemite expedition of president Theodore Roosevelt and naturalist John Muir ...

A new study reveals the profound ecological effects of wolves and other large carnivores in Yellowstone National Park, ...

Glacier National Park and Yellowstone National Park both welcomed the second-highest number of visitors on record last year.

Yellowstone National Park is a popular destination for geology field trips. It’s easy to see why—the dynamic landscape ...

Yellowstone National Park, the oldest national park in the USA and home to some of the most unique geological features on ...

MAMMOTH, Wyo. – Yellowstone National Park's oldest and hottest geothermal area, a favorite spot for park visitors, was shaken ...

MSU scientists studied microbes in Yellowstone hot springs to understand how life adapted to increasing oxygen levels.