After a female tortoise is fertilized, she undergoes several changes. After mating, the female tortoise will carry eggs for weeks to months, depending on the species. As the female tortoise gets ...

What do you think of when you hear the word “tortoise”? The giant tortoises that lumber along like tanks over the Galapagos Islands in the Pacific and the Seychelles in the Indian Ocean? The gopher ...

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