The Interior Department’s Fish and Wildlife Service revised regulations implementing the Endangered Species Act.

From bald eagles to grizzly bears, many iconic American species at risk of extinction have bounced back thanks to the ...

The dunes sagebrush lizard, found only in the oil-rich Permian Basin, was classified as endangered two years ago.

The U.S. Fish and Wildlife Service recently added four Oregon-native species to the lists of endangered and threatened wildlife and plants.

The U.S. canceled a rule meant to protect plants and animals that are determined to be threatened with extinction.

The administration narrowed the definition of “harm” under the landmark law — a change with broad implications.

The U.S. Interior Department has canceled a rule meant to protect plants and animals that are determined to be threatened ...

The Trump administration is rescinding a decades-old Endangered Species Act rule it says expanded federal authority to ...

An endangered sea turtle named Lucky washed up in Nova Scotia last year. Scientists are trying to solve the mystery of why ...

Extinct in the wild, Guam kingfishers being bred at the Cincinnati Zoo could be moving to an island in the Pacific Ocean soon ...

Conservation groups said that the amendment eliminated road density restrictions without fully considering ramifications for ...