Over the last three decades, Yellowstone National Park has undergone an ecological cascade. As elk numbers fell, aspen and willow trees thrived. This, in turn, allowed beaver numbers to increase, ...

This is the second story in a two-part series recapping Colorado’s second year of wolf reintroduction.  When Coloradans ...

Wildlife crews have stopped actively searching for two juvenile gray wolves in Northern California's Sierra Valley ...

Under the federal Endangered Species Act, the U.S. Fish and Wildlife Service is granted primary oversight over the ...

Wildlife encounters have a unique power to reshape how people see the world and their place within it. Observing animals in ...

This is the second story in a two-part series recapping Colorado’s second year of wolf reintroduction. When Coloradans ...

The U.S. Fish and Wildlife Service is threatening to take over Colorado’s wolf restoration program from Colorado Parks and ...

Colorado Parks and Wildlife could lose authority over the reintroduction of gray wolves in the state, according to a warning ...

At the age of 11 years, 9 months, Wolf 1090F has earned the title of the oldest living wolf in Yellowstone, which is ...

A new peer-reviewed study reports that claims of a “world-leading” trophic cascade in Yellowstone National Park are not supported, citing problems with the methods used in earlier research. A newly pu ...