By definition, invasive species are harmful in some regard,” says Jacob Barney, a professor of invasive plant ecology at ...

That's the number of aquatic non-native species that have made their way into the Great Lakes as of 2023—at least the ones that scientists have identified. About one-third of the species have ...

Across continents and climates, species that once stayed put are now on the move, slipping into new regions and reshaping the landscapes they enter. From backyard lawns to remote forests and coral ...