Yellowstone is a dynamic geologic system—the one constant is change. This is demonstrated daily by hydrothermal activity ...

Summer at Yellowstone National Park usually means gridlocked traffic and booked-up lodges. A winter trip takes effort, but ...

The story of wolves in Yellowstone National Park is one of the most successful—and scrutinized—wildlife restoration projects in history. Since their reintroduction in 1995, they have fundamentally ...

Lassen Volcanic National Park, about a four-hour drive north of San Francisco, feels like a secret getaway.

In a region full of great trout water, Yellowstone remains the standard.

Yellowstone National Park presents long-delayed proposal for permanent north entrance road to replace temporary route built after 2022 floods.

Yellowstone National Park is used to rule-breakers, but usually it's the tourists pushing their luck, not one of their own employees.

Another wolf from Yellowstone National Park's famous Junction Butte Pack killed in Montana is being investigated as a ...

No one in their right mind would try to break up a fight between two moose. In case you were wondering, moose often battle with one another over territory or a potential mate, and though many would ...

Yellowstone National Park now charges international visitors $135 for week-long passes while U.S. residents pay $35, ...

A pine marten that was teased by a squirrel into casing it in laps around a tree trunk shouldn’t feel bad. Squirrels evade ...

A new peer-reviewed study reports that claims of a “world-leading” trophic cascade in Yellowstone National Park are not supported, citing problems with the methods used in earlier research. A newly pu ...