Each color relates to a range of numbers associated with air quality on a scale designated by the Environmental Protection Agency. Green is “good.” Purple is “very unhealthy.” A deep maroon color was ...

President announces all-of-government effort to protect ecosystems, boost recreation access on public lands while stripping ...

A wildlife overpass along U.S. Highway 93 in Montana. Across 76 miles, US-93 features 81 fish and wildlife crossing structures. Credit: Kylie Paul / CLLC Montana has taken a major step toward ...

Conservation groups in federal district court last week alleged the U.S. Fish and Wildlife Service violated the Endangered Species Act by inadequately considering challenges faced by gray wolves.

The forests that bounced back quickly after the Yellowstone’s fires of 1988 were full of lodgepole pines that possessed a trait called serotiny. The cones of serotinous pines spring open and release ...

In his new documentary, "Real Yellowstone," director Tom Opre considers the interlocking challenges of raising crops and livestock on the same landscape that attracts elk, buffalo, hunters and ...