Seven native mussels in state act as natural water filters.
Black-footed ferrets were thought to be extinct before they were discovered near Meeteetse in 1981. Local biologists, conservationists continue stressing disease and habitat as tools to fight extinction.
New research shows wildfire smoke may not be contributing to climate change as much as previously expected. But as fires worsen, the impact on a warming planet could increase.
Researchers hunt for clues as western bumble bee populations plummet and face possible federal protection.
Volume of more than 40 mapped migrations is the first step in a broad effort for Western states to better identify animal corridors.