Also in 1976: The Great Ape House, which included six indoor habitats and a nursery plus an outdoor habitat, opened at Lincoln Park Zoo. The biggest improvement: no bars between animals and people.

In addition to historic monuments, moonlit tours, great walking and hiking trails, and many parks, there are other outdoor destinations in DC that you can visit when you don’t want to be indoors. From ...

The Little Rock Zoo called on TODAY viewers to help name its newest great ape baby. See which name won the TODAY poll!

National Zoo Lovers Day, celebrated every April 8th, gives us a chance to celebrate the animals (and the people) that make zoos so special.

Rather than being limited to one enclosure, the Smithsonian's orangutans can use this 50-foot-tall cable track to travel over the heads of zoo guests from the Great Ape House all the way to the ...

The baby girl was born at the Great Ape House on May 27 to mom Calaya, age 20, and dad Baraka, age 31. She's the first western lowland gorilla born at the zoo in five years.

Bornean orangutan Kyle climbs a web made of recycled fire hose in the Great Ape House’s outdoor habitat. Connor Mallon, Smithsonian’s National Zoo and Conservation Biology Institute.

Pandas debut at the National Zoo on Jan. 24, but you can get your free pass now. Here’s our guide and advice for an easy visit to the National Zoo.

Scientists screened great ape museum specimens for DNA viruses, revealing insights into viral evolution and host-virus associations spanning decades.

The zoo’s veterinary team is partnering with specialists from the Great Ape Heart Project, the Columbus Zoo and internal medicine to perform comprehensive tests for the orangutans.

The National Zoo’s three resident pandas are scheduled to return to China by Dec. 7, leaving one of the most popular attractions in the nation’s capital without its iconic bears for the first ...