It would appear that Yellowstone needs its top dog to keep elk on the run and its vital plant and animal ... Elk, and Aspen on Yellowstone National Park's Northern Range. Biological Conservation ...

There are so many things making up the story of a unit within the National Park System, including plants, animals, and ...

The presence of wolves in Yellowstone National Park ... species such as aspen, alder, and berry-producing shrubs. It's a compelling reminder of how predators, prey, and plants are interconnected ...

For thousands of years, Native peoples moved in and out of the area that was to become Yellowstone National Park for ceremonies, hunting, and the medicines, minerals, and plants found there.

A 20-year study on the effects of reintroducing wolves into Yellowstone National Park found ... of wolves to the park in 1995 ...

WEST YELLOWSTONE, Mont.— Conservation groups late Monday challenged a U.S. Forest Service plan to clearcut more than 5,500 acres of pine forests just outside Yellowstone National Park, in the Custer .

Four conservation groups today challenged a U.S. Forest Service plan to clearcut more than 4,600 acres of pine forests, log across an additional 9,000 acres, and bulldoze up to 56 miles of road on ...