One of the desert's most iconic denizens, the tortoise has been in peril for decades as urban growth wipes out habitat and temperatures rise.

This is for the good of their health as well as their tortoises. These reptiles can suffer diseases like shell rot and ...

The Philadelphia Zoo's Western Santa Cruz Galapagos tortoises Mommy and Abrazzo, both estimated to be 100 years old, are the proud parents of four hatchlings.

These clever leopard-printed lizards are nocturnal and can further evade capture by shedding their skin to remove markers ...