National Park Service rangers at Yellowstone cited a visitor caught on camera approaching a wild wolf pack and sprayed them with an unknown substance.

National Park News explained why the wolves chose to nap in the snow in the caption, "These wolves make a nap in the snow ...

Wolves are among Yellowstone's most popular sights – so popular and so closely watched they can become accustomed to seeing ...

Small Yellowstone quakes changed deep groundwater chemistry and boosted hidden microbes. The study shows how shaking can ...

Cold-weather visitors face intense glare, subzero temps, and limited services. Park safety guidance recommends a single ...

Nonresidents will have to pay $250 for annual passes or $100 per person on top of the standard entrance fee to enter certain ...

Visitation fees for international visitors to Yellowstone and Glacier national parks are slated to increase substantially in ...

Keep a safe distance away from all wildlife, ranging from 25 to 100 yards depending on the type of animal. Drive carefully, ...

Canyon Campground is a 273-site campground in the Canyon Area of Yellowstone National Park. It is shady and lies in the ...

The real story behind Yellowstone’s national protection. The post The Untold Story of How Yellowstone Became a National Park ...