When the Chernobyl nuclear disaster happened on April 26, 1986, the region became one of the most heavily contaminated areas on the planet. A 1,000-square-mile area surrounding the doomed nuclear ...

For the first time since their species was reintroduced in Colorado, a gray wolf has been tracked into Pueblo County.

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

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

Jennifer Starbright’s first wolf sighting yielded an eye-catching video on the shoreline of Lake Superior. A grey wolf ran up the snowy shore between rolling waves and her house on the morning of ...

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

California will reexamine its gray wolf conservation policies — including tactics North State ranchers use to protect cattle — now that the endangered and protected species' pack numbers are growing ...

Arizona House passed bills allowing ranchers to kill Mexican gray wolves, drawing challenges from Democrats over the Endangered Species Act ...

At least one of Colorado’s gray wolves had made its way into a watershed that crosses through Pueblo County, according to a gray wolf activity map shared by Colorado Parks and Wildlife (CPW).

Champions of the Mexican gray wolf are watching a bill introduced in Congress by Rep. Paul Gosar, R-AZ, to remove the wolf ...

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 ...