Gramma, a member of the first batch of Galápagos tortoises to arrive at the San Diego Zoo, died last week. This is what ...

After more than a century of munching on her favorite foods of romaine lettuce and cactus fruit, beloved Galpagos tortoise ...

The beloved Galapagos tortoise named Gramma that was the oldest resident of the San Diego Zoo at an estimated 141 years has ...

Tortoises can live for more than 100 years in the wild and close to double that in captivity. This tortoise was born in her native habitat likely in the 1880s.

The National Zoo in Washington, D.C., announced Monday that one of its Asian elephants is pregnant and will deliver the zoo's ...

The Smithsonian’s National Zoo and Conservation Biology Institute is celebrating a conservation milestone, the facility is ...

The Smithsonian’s National Zoo, in D.C. revealed one of its elephants is pregnant, the first time a baby elephant will be ...