The U.S. Fish and Wildlife Service (FWS) announced a proposal this week to list the monarch as “threatened” and give it ...

Some tend to regard endangered or threatened species as exotic animals facing adversity in far-flung locales. But there could ...

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

Every winter, millions of monarch butterflies journey thousands of miles across North America to spend winters in the forests and mountains of central Mexico.

The U.S. Fish and Wildlife Service (USFWS) proposed protections for eastern hellbender salamanders under the Endangered ...

WASHINGTON— The Center for Biological Diversity today sued the U.S. Fish and Wildlife Service for denying Endangered Species ...

It’s a big day for insects. The U.S. Fish and Wildlife Service announced Tuesday that it is proposing the monarch butterfly ...

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

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

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

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 ...