QUITO, Ecuador — Conservationists working around the largest volcano on the Galapagos Islands say they have found 30 giant tortoises partially descended from two extinct species, including that of the ...

Q. I know tortoises live on land. Does that mean box turtles (which also live on land) are tortoises? How many true tortoises are there, what parts of the world do they live in and how big do they get ...

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 ...

A team of researchers investigated a desert tortoise from the Southwest USA and northwestern Mexico. What was thought to be a simple problem in species identification turned out to be a very complex ...