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

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

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

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

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 ...

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

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

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

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

Yellowstone's geothermal wonders hide an active volcanic system. Recent studies suggest the northeastern magma body could ...

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