LOS ANGELES -- After more than a century of munching on her favorite foods of romaine lettuce and cactus fruit, beloved Galapagos tortoise Gramma, the oldest resident of the San Diego Zoo, has died.

A pair of critically endangered, nearly 100-year-old Galapagos tortoises at the Philadelphia Zoo have become first-time parents. In an announcement Friday, the zoo said it is “overjoyed” at the ...

When Fray Tomás de Berlanga first landed on the Galapagos Islands in 1535, he wasn’t impressed by the dry, volcanic landscape. However, he certainly was shocked to see giant tortoises so enormous that ...

Xavier Castro is a writer who works at the Galapagos Conservancy, where he dedicates himself to educating the public about ...

UPDATE: Three more of Mommy's eggs have hatched as of May 15. All of the baby tortoises are boys. The longest resident at the Philadelphia Zoo is a new parent — and the oldest known first-time mom of ...