Montana officials filed a lawsuit on Dec. 31 in U.S. District court alleging that the DOI and NPS have failed to keep bison ...

Something you will not see in Montana or Yellowstone National Park is the animal featured in the accompanying image. But ...

State officials say they're worried about bison passing on disease to cattle outside the park—but wildlife managers say it's ...

Gov. Greg Gianforte and two state agencies are suing the federal government. They argue Yellowstone National Park’s new bison ...

After more than a decade of bureaucratic hurdles, Wyoming’s 640-acre Kelly Parcel is officially part of Grand Teton National ...

A hotspot that now lies in the middle of the Atlantic Ocean was once under the Great Lakes, and may explain why they formed ...

Using magnetotellurics, researchers produced a detailed picture of the magma beneath Yellowstone, offering insights into a ...

Analysis of 6,000-year-old trees that melted out of a Beartooth Mountain ice patch provide a greater understanding of how current climate change could affect the Greater Yellowstone Ecosystem.

In an order issued Jan. 3, the court directed the Montana Department of Environmental Quality to incorporate the greenhouse gas emissions associated with a recently constructed gas plant in the agency ...

A new conservation agreement west of Lolo will permanently protect a stretch of habitat that could help connect isolated grizzly bear populations.

Jimmy Carter's state funeral moves to Washington after observances in his native Georgia. The 39th president's remains will ...