Science tells us invasive species—like the spotted tilapia—are always on the move, making it difficult for scientists to ...

Near Brownsville, Texas, a surprising discovery of Austrailian Redclaw crayfish in area waters has raised concerns among ...

Massachusetts has its share of invasive water species. Here's what they are, why you should look out for them, and what to do ...

A thing is right when it tends to preserve the integrity, stability and beauty of the biotic communi-ty.” — Aldo Leopold ...