Volunteers remove invasive plants at Sanibel's C.R. Johnston Preserve to restore habitat for threatened gopher tortoises.

ENGLE, N.M. — While the average lifespan of North America’s largest and most rare tortoise species is unknown, biologists have said it could span upward of a century. So saving the endangered species ...

Previously, only one other tortoise, a large male loner, had been found there in 1906 by explorer Rollo Beck. Scientists had thought this animal was the last of the "fantastic giant tortoise," or ...

QUITO (Reuters) - Scientists have discovered that a type of giant tortoise present on one of Ecuador's Galapagos Islands is not from the species it was previously thought to be, Galapagos National ...

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TUCSON, Ariz. — Federal officials have concluded that Sonoran desert tortoises native to Arizona have a relatively stable population that doesn’t need protection from environmental threats but ...

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 ...

Scientists have found a giant tortoise on the Galápagos Islands from a species thought to have gone extinct more than 100 years ago. Genetic tests match the single female tortoise to the species ...

A species of tortoise long believed extinct has been found alive and well on the Galápagos Islands. The reptile, named Fernanda after her Fernandina Island home, is the first of her species identified ...

Freelance writer Amanda C. Kooser covers gadgets and tech news with a twist for CNET. When not wallowing in weird gear and iPad apps for cats, she can be found tinkering with her 1956 DeSoto. A study ...

Park Rangers at the Galápagos National Park discovered an unusual site while patrolling a remote part of southern Isabela Island: the remains of 15 slaughtered tortoises. The Galápagos Conservancy ...

Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. When a small female ...