Scorpions‘ ancestors first appeared around 450 million years ago. That’s as old as sharks, older than dinosaurs, and even older than trees. Scorpions evolved from these early arthropods, known as ...

In Arizona, scorpions become more active when temperatures rise above 70 degrees. As the weather warms, scorpions go in search of food and mates, leading to increased sightings. This time of year, ...