U.S. wildlife officials have reversed their previous finding that a widely used and highly toxic pesticide could jeopardize dozens of plants and animals with extinction...

The U.S. Fish and Wildlife Service has proposed designating critical habitat for a Nevada wildflower it plans to list as endangered...

Divers, vets and the coast guard have mounted a rescue operation to help a whale calf that has become trapped in shallow water in a seaside area of the Greek capital...