Researchers in the South want people to know about an invasive ant species whose painful sting can cause fatal anaphylaxis in some people — and disrupt local ecologies as well.

One kind of tiny ant can serve as a monumental example for how to keep members of a community safe from pathogens. A new study shows how they do it.

As the weather warms up and you spend more time outdoors, keep an eye out for the Asian needle ant, an invasive species of ant that can cause serious problems in your yard.

The ManhattAnt has become the dominant ant species in the Big Apple, and scientists aren't sure why.

Medical amputation isn't a uniquely human form of medicine, it turns out. Some ant species will cut off the limbs of injured buddies when it's necessary to save them.

A new study of Indian jumping ants shows they have the ability to shrink and expand their brains — a first for any insect.