The push to revive extinct animals is accelerating, but scientists disagree about whether gene-edited species count as true ...

Mexican gray wolves continue to be one of the most controversial conservation issues in Arizona and across the region.

While wolves have become more commonplace in the Rocky Mountains and Pacific Northwest, a young female recently made her presence known an hour north of LA.

Such killings are not new but are typically carried out by wildlife officials.

Arizona wildlife managers say consistent growth in the Mexican gray wolf population could trigger the species' downlisting ...

The endangered Mexican gray wolf population in Arizona and New Mexico has grown to 319, a record high. Several new bills in ...

The U.S. Fish and Wildlife Service and the Department of the Interior are requesting comments with regard to the management ...

For the first time in a century, biologists have documented a gray wolf in Los Angeles County over the weekend, a sign that ...

Gray wolves, a species that has long been vilified and admired, will no longer receive federal protections under the Endangered Species Act in the Lower 48 U.S. states, the Trump administration ...

Nature gave the world the dire wolf 2.6 million years ago, and then, through the hard hand of extinction, took it away—some ...