Confused about native, non-native, introduced, and invasive species? This guide breaks down the definitions, explains how scientists classify them, and explores real-world examples like zebra mussels ...

National Invasive Species Awareness Week 2026 occurs between February 23 and February 27, 2026. Invasive species are ...

Invasive species cost the North American economy $26 billion a year. By outcompeting local plants or animals, invaders reduce biodiversity and can make entire regions less resilient in the face of ...

Artists and scientists are finding ways to highlight troublesome plants and animals, tell their stories and, in some cases, use them as raw materials. By Zoë Lescaze Reporting from Pittsburgh Mason ...