A letter from the director of the U.S. Fish and Wildlife Service tells the state to "cease and desist" its plan to import ...

This is just plain politics and trying to throw sand in the gears of progress,” said Tom Delehanty, a senior attorney with Earthjustice’s Rocky Mountain Office.

The legality of Colorado's most recent wolf capture has been called into question after a former congressman says it violated the Endangered Species Act.

In a stunning and significant pushback to the “doomsday” climate activist community, Bill Gates, a leading proponent for carbon emissions reductions, published a remarkable essay Tuesday that argued ...

For the first time since their reintroduction, Colorado wolves have made movements in areas bordering Wyoming, New Mexico and ...

California wildlife officials have been working to mitigate the impact of the state's rebounding wolf population on its ...