Fruits and plants are high on the list when it comes to an iguana's diet. But pizza? Yes. One iguana was caught on video ...

With some high-end gear, a bunch of practice and a little luck, you too can help rid Southwest Florida of a scaly plague.

Iguanas are increasingly being reported at Lee County parks and preserves, at places like Lakes Park, Bunche Beach Preserve ...

Is this a fire ant? Tawny ants in Florida number in the millions, asphyxiate their prey, create huge supercolonies that are nearly impossible to eradicate.

Green iguanas are an invasive species in Southwest Florida, negatively impacting the local environment and infrastructure.

An invasive species of fish that can live out of the water has been found lurking in Canada, experts warn.

Invasive species, such as nutria, Asian tiger mosquitos, and wild boars, are causing significant harm to Louisiana’s ecosystems, economy, and human health, and researchers are working to find… ...

In a special report, USA TODAY NETWORK-Wisconsin examines how federal cuts could impact invasive species monitoring on Lake Michigan.

Asian needle ants, an invasive species making news around the country, were found in Providence in 2015, but there's no sign they ever spread.

Invasive species are non-native species that have been introduced to an ecosystem and have established there causing ecological damage. The study of invasive species involves questions about the ...