The diminutive Karoo dwarf tortoise may play a key role in seed dispersal of plant species in its semidesert habitat in South Africa, a new study finds. A germination trial showed the tortoises ...

The animals are also vulnerable to a range of deadly diseases such as upper respiratory illnesses and the shell disease cutaneous dyskeratosis, which softens their shells. Finally, as climate change ...

On a hot February morning, Galápagos National Park rangers released 50 giant tortoises back to Floreana Island—marking the beginning of a historic comeback.

These massive, slow-moving creatures are famous for their size, longevity and role in shaping their ecosystems. They're living symbols of conservation and natural history. They survive extreme ...