Sitting in an old-growth spruce fir forest, Doug Smith says he can see first-hand the impact of reintroducing wolves on the larger ecosystem of Yellowstone National Park. Long before Yellowstone ...

On the morning of June 21, visitors at Grand Prismatic Spring in Yellowstone National Park observed a bison slip into a ...

I was frustrated with seeing methods being used to estimate wolf numbers that were very indirect and ... were unlikely to ...

A bystander shared a startling video of a toddler getting dangerously close to a massive bison at Yellowstone National Park.

The information is available whether individuals are in the park using geotagging, or anywhere in the world for those tuning ...

Most travelers picture Yellowstone when Wyoming comes up, but Grand Teton sits just to the south and rarely gets its due. The ...

Let there be no doubt — the future of this animal kingdom is in our hands. In truth, this is the central issue before us. The ...

In his new documentary, "Real Yellowstone," director Tom Opre considers the interlocking challenges of raising crops and livestock on the same landscape that attracts elk, buffalo, hunters and ...

A pair of baby bison ran off, what appeared to be the "zoomies," as the adults around them continued to graze without batting ...

The recent death of a bison at Grand Prismatic Spring is an emphatic example of the danger posed by thermal areas in ...

Thirty years after wolves were brought back from near extinction in the U.S. Rocky Mountains, the state of Idaho is back in ...

Yellowstone National Park officials are reminding visitors to cautiously view the park’s iconic hot springs, after a bison ...