A strange invader is marching across the United States, born of two different species. Red fire ants and black fire ants have ...

Fire ants swarm from their nests to attack humans and animals, defending their nests with nasty stings.

Video released by the National Fire Ant Eradication Program shows how quickly the world's worst invasive pests swarm to protect their nests. House painter Joel Booker was lucky not to have been ...

The swarm then wrapped itself around a pill weighing 2,000 times more than each individual robot, successfully transporting the payload across the liquid. This behavior mirrors how fire ants form ...

Hybrid fire ants, well established in East Tennessee and parts of Kentucky and North Carolina, are now infiltrating Southwest Virginia.