For decades, overgrazing has been recognized as detrimental, resulting in reduced plant diversity and compacted soils. But ...

A visitor at Yellowstone National Park taunted a bison with food, resulting in the animal charging at him. An ABC News video ...

An analysis of plant diversity and soil health across the bison migration corridor suggests free-roaming bison lead to more ...

These effects may be hard to replicate outside Yellowstone, however. Bison can only benefit ecosystems in this way when they ...

Bill Hamilton’s chest freezer probably looks a lot different than yours. While most of us pack ours with groceries, Hamilton stores pounds upon pounds of bison dung in his. Hamilton, a professor of ...

Occurred on July / Yellowstone National Park, Wyoming, USA Info from Licensor: "We were in Yellowstone National Park when this huge bison walked right past us. Very cool experience." ...

Free-moving herds of migratory bison in Yellowstone National Park are stimulating the regrowth of flourishing grasslands and reshaping ecosystems, a new study has found. Contrary to conventional ...

But the latest findings, from Yellowstone National Park, reveal just how dramatic their influence can be for ecosystem health when they are allowed to roam freely through the wilderness. By munching ...

A video has gone viral after a tourist at Yellowstone National Park caught the moment a bison "performed" with a dance, but ...

(NEXSTAR) — A hiker is recovering after officials in Yellowstone National Park said he was attacked by a bear, prompting the closure of a popular trail in the park. Tuesday afternoon, park officials ...

Bison graze near Roosevelt Arch, near the north entrance of Yellowstone National Park, in Gardiner, Montana. Millions of the herbivores once ranged the high plains. Credit: Jacob Frank/National Park ...

Yellowstone National Park officials are investigating the park's first bear attack in years, which left a male hiker ...