Officials think it all started with a handful of pets discarded in Teller Lake #5.
The hybrid child of Asian and Formosan subterranean termites has entomologists on edge.
Creatures that indiscriminately slay other animals without eating them, may soon join the list of invasive species living in the region.
The invasive species native to Japan and the Korean peninsula is no friend to forests or gardeners.
The formation of mountains 450 million years ago may have allowed invasive species to storm the continent that gave rise to North America.
Your friendly neighborhood honeysuckle is probably an invasive species -- and that's OK.
A non-native species of tortoise is proving a good substitute for extinct native seed dispersers in Mauritius.