An endangered bat species has been detected in southeastern Arizona. Researchers say the discovery of the Mexican long-nosed ...

The birds have been in an environmental updraft since the early 2000s, when the U.S. government took them off its endangered ...

A critically endangered Western lowland gorilla, named "Oscar Jonesy," died on Thursday afternoon following a medical ...

Wildlife groups argue the U.S. Fish and Wildlife Service to put common hippos on the endangered list to protect against U.S. trade in body parts.

Doug Burgum’s order would hobble clean energy development, hinder protections for migratory birds and endangered species and ...

Colorado Parks and Wildlife is working to deploy range riders -- people who patrol ranches to help protect livestock from ...

Work at the National Black-Footed Ferret Conservation Center in northern Colorado is helping save one of the most endangered species.

Natural-gas plants can be turned on quickly at any time ... lauded by economists here 'Fast-acting poison' suspected in ...

Conservationists asked the Ninth Circuit Monday to order the U.S. Forest Service to reconsider the potential impacts of a ...

Environmental groups say the federal government violated the National Environmental Policy Act by failing to consider the ...

Two representatives from Colorado and Wisconsin have introduced the Pet and Livestock Protection Act, which would delist gray ...