Here's a look at the three species of fire ants found in the Tar Heel State. More: Aggressive behavior, crossbreeding are ...

As the warmth of spring creeps in, so too does the relentless return of the pesky ant, with the fire ant leading the charge, bringing chaos and an unwelcome sting to every corner they invade.

Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. The number of ...