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 Greater Yellowstone Ecosystem, with Yellowstone National Park at its core, has been identified by the government agency as a "recovery zone" for grizzly populations.

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 ...

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 ...

CHEYENNE, Wyo. (AP) — The deaths of at least six Italian and Chinese tourists in a fiery van crash in Idaho near Yellowstone National Park are a reminder that the roads leading into the popular ...