Hammerhead flatworms — an invasive pest that looks like a cross between a hammerhead shark and a leech — have been spotted in the Washington, D.C., area and across the United States. Experts say the ...

It might be Shark Week, but sharks aren't the only hammerheads to watch out for this summer. An invasive worm that packs the poisonous power of a puffer fish and the slithering stamina of a snake has ...

After weeks of heavy rain across North Texas, sightings of a toxic invasive worm are on the rise. The hammerhead worm is popping up in counties throughout the Metroplex and experts say it’s a real ...

The hammerhead worm has been inching its way through news headlines, but is it dangerous and what should you do if you see one in Illinois? The hammerhead worm - also known as a “flatworm” - is a worm ...

Hammerhead worms have been found near the Washington, D.C. area, the latest region to become a home to the invasive species. Hailing from Southeast Asia and so far preferring hotter climates in the ...