The Philadelphia Zoo's Bear Country exhibit is getting a $20 million makeover. The big picture: The project is the zoo's largest in more than a decade. Driving the news: The zoo plans to renovate ...

Ever since reading The Perfect Shot by Kevin Robertson, I can't visit a zoo without drawing imaginary beads on the big game animals! How hard would it be to take down the elephant with a heavy rifle?

A pair of critically endangered giant tortoises aged about 100 years old have become first-time parents at Philadelphia Zoo. The zoo said this week it was "overjoyed" at the arrival of four ...