A "sneaky" invasive species that has a potentially deadly sting can be found in more than a dozen states, according to experts.

Leaf-cutter ants at the American Museum of Natural History in April. The colony was harvested in Trinidad and nurtured in Oregon, and it arrived in New York City last December.

Tawny crazy ants number in the millions, asphyxiate prey and create huge supercolonies that are nearly impossible to ...

They bite, excrete acid, asphyxiate their prey and create huge super colonies that are hard to kill. What to know ...

New research shows that ants have been farming fungi for 66 million years — thanks in part to the asteroid that fueled the demise of the dinosaurs. CNN values your feedback 1.

The invasive Asian needle ant appears to have spread as far north as Massachusetts, bringing with it concerns over their ...

Asian needle ants have been confirmed in in at least 19 states, posing health risks and environmental concerns. ... "It's down in the leaf litter. It's in shaded areas with hardwood trees." ...

When goods are shipped into the country, sometimes they are not the only cargo. Sometimes they can bring in unwanted stowaways: invasive species. Invasive species are non-native organisms that ...