The state filed its lawsuit at the end of last year, arguing Montana’s concerns were not properly addressed in Yellowstone's ...

Although elk infected with brucellosis freely roam southwestern Montana and have been responsible for infecting cattle with the disease, “bison in Yellowstone present a much higher, much more ...

Bison jams are not uncommon in Yellowstone given their population at the park has ranged from 3,500 to nearly 6,000, the National Park Service says.

A cold morning mist lingers over the wide valleys of Yellowstone National Park as a mighty herd of bison rumbles across the ...

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

Bison jams are not uncommon in Yellowstone given their population ... number of bison in a herd can range from about 20 during the winter to an average of about 200 in the summer, the NPS says.

The popularity of the spinoff-spawning Paramount+ hit has contributed to a massive influx of people who are already straining ...