Earthworms are taking a bite out of forest ecosystems.
Invasive ants promote the growth of invasive plants.
Invasive species constitute the second biggest danger facing the world's biodiversity.
Human behavior is placing at least a third of Earth's species at risk of extinction.
Some plants produce their own herbicides to ward off invaders and protect their turf.
In Florida, there are invasive snails the size of rodents -- and they're wreaking havoc!
New research reveals how many birds are killed by cats each year. The numbers will alarm you!
Researchers at Indiana University Bloomington dig a little deeper into how non-native plant species take over ecosystems.
If you think the Clones on Star Wars were a threat, just wait until you hear about Asian clams.
While we all know that invasive species are particularly hard on native species in the environment, invasive species can have it pretty tough too.