Having numbered exactly zero in the U.S. before the 20th century, billions of Argentine ants now occupy large swathes of American land, with the largest supercolony extending over 500 miles from ...

Ants, the most common insects in the world, are an essential part of our ecosystem. They're also a big nuisance. Here's ...

Little fire ants are collected by a little fire ant team member during a survey. A new infestation of little fire ants has been discovered in Haiku, the Maui Invasive Species Committee said Wednesday.