The Arizona bark scorpion (Centruroides sculpturatus) is the most venomous scorpion in North America. Don’t let its small ...

A very mild winter and unusually warm temperatures have caused scorpion populations to explode in Arizona. Learn how to ...

From carpet beetles to ladybugs to palo verde beetles, here's what to know about the most common beetles in Arizona and why ...

A research team has found that a common spider kills its prey with poison but does not inject it into them—instead, it covers ...

Nature showcases diverse defense mechanisms among animals, some delivering exceptionally painful bites and stings. Creatures like the Arizona Bark Sco ...

Meyerson defines invasive species as "non-native species introduced either intentionally or accidentally by humans outside of ...