An alien invasion capable of triggering catastrophic changes is underway across North America. At least 70 imported earthworm species have colonized the continent, and represent a largely overlooked ...

From ants to caterpillars, Stanford is no stranger to campus critters. A recent Stanford study found that imported earthworm species have taken over much of North America, potentially threatening ...

Analysis reveals imported earthworm species have colonized large swaths of North America, and represent a largely overlooked threat to native ecosystems. The researchers warn of the need to better ...