Giant tortoises are some of the long-lived species on the planet. Here’s what biologists now understand about one of nature’s ...

Island life is treating 15 recently released giant tortoises well as they settle back into their home island after decades in a captive breeding program. The tortoises, 12 female and three male, have ...

Meet Diego, a tortoise around 100 years old, who is somewhat of a hometown hero. He's one of 15 giant tortoises credited with saving their entire species - in a conservation success story for the ages ...

The process takes time. The National Zoo says the tortoise eggs have to incubate for about 220 to 250 days before hatching. During that time, Zoo Knoxville says the baby has to absorb the yolk before ...

TULSA, OK -- A tortoise that outgrew the Wichita zoo made the move to the Tulsa Zoo Tuesday. He'll be here at least five years and the hope is he'll leave some offspring behind. Rocket didn't exactly ...