More than 1,800 animals ... thing about this zoo? It's free to visit. The easiest (and most affordable) way to reach the Smithsonian's National Zoo – which sits in Woodley Park, a D.C ...

Lioness Mahagauri gave birth to four cubs on Sunday, making it the first successful breeding of Asiatic lions at Delhi’s ...

It takes ten people to lift a sedated hulk named Mopie onto the operating table at the National Zoological Park hospital ... medicine being used to benefit animals. "Cardiovascular disease ...

Nine orangutans, ages 5 to 30, are now participating in an ongoing study of animal cognition at the Think Tank at Smithsonian's National Zoological Park. The animals, who live in the Great Ape ...

By Lee Powell Nov. 17 at 6:30 a.m. At the Smithsonian’s National Zoo and Conservation Biology Institute, weigh-ins are a way of life. Animals are routinely weighed by zookeepers who monitor ...