As National Park Week commences, Yellowstone National Park is celebrating the opening day of the summer season -- although ...

A tense scene unfolded in Yellowstone National Park when a group of gray wolves from the Junction Butte pack attempted to ...

After the discovery of a new thermal vent spewing steam into the air in Yellowstone National Park, the possible consequences ...

Yellowstone opens interior roads today as gateway communities brace for uncertainty generated by Trump administration actions.

As peak season in many US national parks begins, families heading outdoors during spring break might need to pack their ...

Rangers at the country’s oldest national park plan to open major roadways and entrances to the site starting Friday as part ...

Along the way, you'll be treated to stunning, almost otherworldly views of the gorge the river has gouged through the ...

As part of the spring opening ritual, Yellowstone National Park officials will begin opening entrances and roads to the ...

Bison jams are not uncommon in Yellowstone given their population at the park has ranged from 3,500 to nearly 6,000, the National Park Service says.

As the state of Montana’s lawsuit over Yellowstone National Park’s bison management plan creeps forward in court, 260 animals ...

A tiny grizzly bear cub was spotted exploring Yellowstone National Park with its mom for the first time, adorable video shows ...

Each April, the National Park Service celebrates National Park Week with daily programming and special events. This year, the ...