Who’s the real invasive species: us or them? Ecologists are rethinking urban biodiversity Our cities and suburbs have spiders, rats, raccoons, lizards — and people.

How invasive species spread. Invasives move from garden to garden in many ways — when birds eat the fruit and drop the seeds, by lawnmowers and snowplows.

A "sneaky" invasive species that has a potentially deadly sting continues to spread across the U.S. and can be found in more than a dozen states, according to experts.

One fact is true of all invasive species: Few generalizations can be made about what will determine their success or failure. In addition to American alligators, North America has a native ...

That’s why the Nature Conservancy is highlighting New York’s Invasive Species Awareness Week, which is June 9-15. There are few simple tips to limit the spread of invasive species into ...