The Smithsonian’s National Zoo and Conservation Biology Institute is home to more than 2,200 animals. We followed zookeepers to see what it takes to feed them.

Smithsonian’s National Zoo is all abuzz with excitement because first-time elephant mom Nhi Linh is pregnant. With a window ...

A painted river terrapin hatchling was found swimming in an enclosure at the National Zoo. It’s the first successful breeding ...

WASHINGTON — If you cross a bear with a sloth, what would you get? A sloth bear. And the Smithsonian’s National Zoo and Conservation Biology Institute Zoo welcomed two sloth bear cubs that were born ...

Nov. 24 (UPI) --The Smithsonian's National Zoo in Washington announced Monday that Asian elephant Nhi Linh is pregnant, adding the zoo is "cautiously optimistic" its first elephant calf in 25 years ...

The Smithsonian’s National Zoo, in Washington, D.C. has announced one of its elephants is pregnant, the first time a baby elephant will be born at the zoo in 25 years. The zoo says 12-year-old Nhi ...

Many mammal populations in European and North American zoos are aging—a trend that jeopardizes the long-term viability of ...

WASHINGTON — It's a panda party at the Smithsonian's National Zoo. Female panda Qing Bao will celebrate her fourth birthday with festivities starting at 9 a.m. Friday. Qing Bao arrived in D.C. along ...