The La Jolla aquarium reared 250 tadpoles into mountain yellow-legged frogs with plans of releasing them into the wild ...

Once on the brink of extinction, these majestic birds have made a remarkable comeback since the 1973 Endangered Species Act was enacted.

Five lions were sprawled out and sunning on rocks alongside Kenya’s Voi River. Hippos wallowed nearby. Elephants drank and ...

Protecting animals against environmental changes, poachers, and other dangers is vital yet challenging work. And in recent ...