The map shows bison abundance and range over time, based on thousands of simulations. Abundance is shown as the number of bison per 76 km x 87 km grid cell. Grey indicates areas where there is ...

The plan to transfer management of the National Bison Range to a native American tribe came to an abrupt halt Wednesday, after Interior Secretary Ryan Zinke said he won't pursue that course of action.

The American ... that bison are one of the most dangerous animals you could encounter in our national parks. In 1908, Teddy ...