A new children's book tells the story of the tiger cub that was rejected by its mother at the Philadelphia Zoo, cared for by zookeepers and ultimately adopted by a tiger of another subspecies — a feat ...

PHILADELPHIA, PA — Philadelphia Zoo is celebrating the release of A Family for Zoya: The True Story of an Endangered Cub, a nonfiction children’s book that recounts the extraordinary survival of an ...

“Take James Herriot, put him in inner-city Los Angeles in the early 1990s, and have him work on snakes, lions, and birds instead of farm animals—that’s Doug Mader’s story,” says Roark, founder of the ...

EDITOR’S NOTE: Call to Earth is a CNN editorial series committed to reporting on the environmental challenges facing our planet, together with the solutions. Rolex’s Perpetual Planet Initiative has ...