Bison in Yellowstone National Park may seem calm, but approaching them is extremely dangerous. Learn why these massive ...

Yellowstone National Park drivers were stopped at standstill as they watched a massive herd of bison pass through.

Yellowstone bison now breed as one interlinked population. Genetic studies show strong gene flow across all bison herds.

Cars that were on this bridge in Yellowstone National Park had no choice but to come to a stop as nature took over the roadway typically reserved for vehicles. There’s all kinds of rules of the road ...

Tchotchke shop owners are busy stocking shelves with Old Faithful shot glasses, stuffed teddy bears and Yellowstone hoodies.

Yellowstone is huge, over 2.2 million acres. Almost 5 million people visited it last year. It's the world’s first national ...

Yellowstone opens interior roads today as gateway communities brace for uncertainty generated by Trump administration actions.

On March 1, hundreds of people gathered in Gardiner, Montana, at the northern entrance to Yellowstone ... like the National Park Service, or NPS, and U.S. Forest Service are felt acutely by the ...

The mother pronghorn, which can quite easily outrun the lone wolf, tries to distract the savage killer from its pursuit of her baby. Pronghorn are the fastest North American land mammal, with a top ...

On March 1, hundreds of people gathered in Gardiner, Montana, at the northern entrance to Yellowstone National Park. The crowd ... To Parks, the biggest question is whether Gardiner will ...

From the adorable but deadly pine marten to the massive sperm whale, get to know some of the amazing animals that call ...