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 ...

A proposed resolution would urge Congress to remove the Mexican gray wolf from the endangered species list and allow Arizona ranchers to kill wolves on their land.

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 ...

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

At least one of Colorado’s gray wolves had made its way into a watershed that crosses through Pueblo County, according to a ...

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 ...