An invasive, dog-killing parasite is now lurking in Southern California. In new research this week, scientists say they’ve confirmed the newfound spread of the flatworm Heterobilharzia americana to ...

Trypanosomatids are parasites that can result in more than 1 billion potentially fatal infections per year globally. In ...

There’s an invasive species of worm making itself known in Texas once again—the hammerhead flatworm. These worms are toxic, hard to kill, and dangerous to native critters like earthworms, but likely ...

They're technically not 'worms' as we know it, but rather, planarians. The hammerheads were most likely introduced to the U.S. in 1891 and thought to have come from southeast Asia. The first reports ...

After weeks of heavy November rain, residents across North Texas have been startled by the sudden appearance of giant hammerhead worms—flat, ribbon-like creatures that can reach up to 15 inches in ...

Hammerhead worms, an invasive and toxic species originating from Southeast Asia, were reported in several Ontario communities in the spring, including cities in the GTA and surrounding areas. Cooler ...

Scientists have discovered a tiny worm species that infects and kills insects. These worms, called nematodes, could control crop pests in warm, humid places where other beneficial nematodes are ...