More than three dozen turtles could return to the University of Texas by the weekend as student researchers wrap up their ...

The Mojave Desert may lose and gain suitable habitat for Gila monsters. But the unathletic reptiles might be mostly stuck in the waning oases.

The bottom image shows how air flows in a mostly one-way loop through the lizard's lung, as measured by sensors implanted as part of a University of Utah study. Note how the air flows through ...