A magical conservation milestone is unfolding in Brazil's Atlantic Forest, where the vibrant call of red-browed amazons is echoing after decades of silence. Earlier this year, researchers released 20 ...

Earth looked much different not just millions, but even decades and centuries ago. Many animal species that once existed are ...

Jerry A. Coyne is professor emeritus of ecology and evolution at the University of Chicago. A recent display in Time magazine features a photo of a handsome white dog-like animal, a dire wolf. The ...