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

The bison died in the boiling waters of the Grand Prismatic Spring. This happens from time to time, but usually not in front ...

Over the weekend, a bison stumbled into the Grand Prismatic while several visitors could do nothing to save it.

Photos show the bison struggling in the spring, thrashing and jumping into the air to try to get away from the boiling hot ...

Some Yellowstone visitors were left reeling from witnessing a bison’s last moments after the animal fell into one of the park ...

Dozens of Yellowstone visitors were shocked to witness the death of a bison as it stepped into the water at the shallow edge ...

Grand Prismatic Spring in Yellowstone National Park became the site of a truly "heartbreaking" event. Tourists watched, stunned, as a bison tragically stumbled and fell into the scalding 160-degree ...

The herd started with 10 bison in 2015 and the program has grown to where it can produce 25 to 30 calves annually to give to Native American tribes.

In the face of deadly heat, will mankind respond to climate change in time?

CSU and partners started a bison herd with genetics from Yellowstone bison that today roams the high prairie in northern Larimer County.

YELLOWSTONE NATIONAL PARK, Wyo. — A bison gored a man Tuesday after a large group of visitors got too close to the animal in Yellowstone National Park, officials said. The 30-year-old from Randolph, ...

Winding through thick forests, hiking up desert trails, or simply pulling over at a scenic lookout, one can never get far ...