The sex of many turtles, crocodilians, and other reptiles is determined by the temperature at which their eggs incubate.

Under no light but the stars, a green sea turtle hauls herself out of the surf and onto the familiar sand of Alagadi Beach on ...

Celine Tails feeds her bearded dragon a silkworm meal and marvels at tiny predator behavior. Jack Smith tells Congress he ...

When danger looms, the tiny and spiky armadillo lizard curls its body into a ball and bites its own tail — on purpose!

As habitat loss and invasive predators decimate the Texas horned lizard population, researchers are banking on statewide ...