The major U.S. Fish and Wildlife Service’s proposal would declare the iconic species as threatened, with federal scientists ...

The genome of a once-endangered songbird shows extensive signs of inbreeding, according to a new study by Penn State ...

Hellbenders are the largest salamanders in North America and can grow up to 29 inches, according to the U.S. Fish and Wildlife Service.

The Endangered Species Act of 1973 created two distinct lists for protection. Species in imminent danger of extinction throughout all or most of their range were to be listed as “endangered,” and ...

The United States is moving to grant federal protections to the monarch butterfly -- a once-common species recognizable by ...

After a decade of advocacy, the species could now qualify for federal protections under the Endangered Species Act.

As NOAA Fisheries explains, “The Endangered Species Act of 1973 provides a framework to conserve and protect endangered and threatened species and their habitats both domestically and abroad.” ...

Marine invertebrates, however, don't often get the same attention — and researchers are working to change that. Giant clams ...

The U.S. Fish and Wildlife Service proposed listing the monarch butterfly as a threatened species on Tuesday, citing a ...

The genome of a once-endangered songbird shows extensive signs of inbreeding, according to a new study by Penn State ...

The red-cockaded woodpecker in the Southeast is no longer federally endangered, thanks to decades of conservation work; the ...

The federal government has proposed listing the monarch butterfly as threatened under the Endangered Species Act, a step ...