Center for Biological Diversity

Fantasy author Lucas Zellers has partnered with the Center for Biological Diversity to make a manual for Dungeons & Dragons players that features real-life extinct species as fantasized monsters.

Two different populations of a prairie bird that lives in parts of the Mountain West were listed under the Endangered Species Act by the U.S. Fish and Wildlife Service.

This week two Republican members of Colorado’s congressional delegation -- Sen. Cory Gardner and Rep. Scott Tipton -- introduced a bill to create a pilot…

A U.S. District Court sided with wildlife advocates this week. It ruled that a federal agency ignored scientific studies that did not support its...