More than 100 years after bison from other regions were introduced to the park, the two genetically distinct herds have ...

U.S. District Court Judge Brian Morris will wade into the legal tangle surrounding Yellowstone National ... s current consideration of bison as a threatened or endangered species due to its ...

Geologically speaking, things are always changing at Yellowstone—especially in the hydrothermal areas. It’s simply the nature of the complex hydrothermal system that overlies one of the planet’s ...