Yellowstone National Park staff killed a black bear when it became "habituated and food-conditioned." That means it figured out that people are sources of food.

The bear was killed by park staff in the evening of July 11, and marks the first lethal removal of a black bear at ...

DENVER ( KDVR) — Yellowstone National Park staff reported Thursday that on Friday, July 11, an adult female black bear was ...

A group of tourists got dangerously close to a bear in Yellowstone National Park, taking photos as the bear snacked on a patch of grass just a few feet away, a video from late May shows.

BackCountry Safaris described the tourist as a gentleman, but also a "touron." Grizzly bears are often encountered near roads in Grand Teton National Park and nearby Yellowstone National Park.

Bison herd stops traffic as it crosses road in Yellowstone A bison died after it appeared to stumble into a hot spring at Yellowstone National Park last week while visitors looked on.

A bison was gruesomely boiled to death in a Yellowstone National Park hot spring last week -- as tourists watched in horror.

A Wyoming woman was on her way home when she came across a lone bison causing a bit of a traffic backup in Yellowstone National Park.

A bison in Yellowstone National Park appeared to stumble into the scalding water of Grand Prismatic Spring, causing its death as tourists looked on during the park's busiest season.

Visitors to one of Yellowstone National Park's most popular sites saw a bison take its final steps into a hot spring, where it died.