"There are kids there!" National parkgoer sparks outrage with video of tourists' dangerous behavior: 'That's so sad' first ...

A dismayed Chris Servheen is raising the alarm about what’s become of federal scientists who have kept watch over the Greater ...

In a ruling that juggles ranching interests and grizzly bear conservation, a judge has ordered state and federal agencies ...

The animals were slowly killed by ash falling from the Yellowstone supervolcano, but it preserved their bodies and has ...

A group of Yellowstone visitors have been criticized online after taking photos of a bear well within the recommended distance.

Researchers are looking into if the resident Yellowstone bison are actually one herd, not multiple. Scientists always ...

Entombed at the Ashfall Fossil Beds State Historical Park, teeth from the rhino fossils were analyzed by researchers at the ...