A group of scientists and volunteers released seven tiny Silvery blue butterflies in San Francisco’s Presidio Tuesday in an effort to add a hint of new life to a biodiversity-constrained world. The ...

Walking through a darkened forest in southeastern India, hikers swept their flashlights across the branches looking for a “characteristic orange-red eye shine.” They eventually spotted it perched in ...

A one-and-a-half-pound baby blue duiker was born at the Maryland Zoo, staff announced Monday. The male blue duiker calf was born on April 2 to mother Flower and father Kuruka.