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 ...

A wildfire in Hawaii has burned native rainforest on Oahu, raising ecological concerns A wildfire burning in a remote Hawaii rainforest is underscoring a new reality for the normally lush island ...

From river-clogging plants to disease-carrying insects, the direct economic cost of invasive species worldwide has averaged about $35 billion a year for decades, researchers said Monday.