Arizonans are accustomed to seeing western diamondbacks slithering around or sunning themselves on rocks. But recently, ...

The deadliest national park in the U.S. has an elusive population and multiple species of this venomous animal.

Scientists based in Germany and Austria found that western diamondback rattlesnakes (Crotalus atrox) quickly ramp up their rattling frequency when a potential threat appears to be getting closer to ...