A new study highlights how life possibly evolved prior to and during the rise of Earth’s oxygenated atmosphere.

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

An iconic apex predator appeared through thick fog like an apparition and cautiously watched a photographer in Yellowstone ...

Thousands of seasonal jobs at national parks across the U.S. are on hold on orders from the Trump Administration, leaving ...

Researchers are urging Yellowstone officials to invest in greater protection after the findings of a new report ...

Yellowstone is home to nearly 5,000 bison, which must contend with wolves in the winter, and wolves and grizzly bears during ...

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

Some employees in the National Park Service and other federal agencies who manage public lands in the Greater Yellowstone ...

America’s First National Park Yellowstone National Park holds the title of being America's first national park, and it was ...

"One in Five Hundred" checks in with members of gateway communities to hear their first-hand stories of the disaster and its ...

Footage shows the black wolf with a mystical quality – as other wolves remain mostly hidden – amid steam at a Yellowstone thermal area.

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