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 ...

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 ...

Invasive hammerhead flatworms have been drawing attention for their toxic skin and their ability to respawn. But humans likely do not have to worry, experts say. Screengrab from NBC Chicago They have ...

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 ...

Neal J. Riley is a digital producer for CBS Boston. He has been with WBZ-TV since 2014. His work has appeared in The Boston Globe and The San Francisco Chronicle. Neal is a graduate of Boston ...

Following weeks of heavy rainfall, hammerhead worms have been reported more frequently throughout Texas. The invasive species is not a direct threat to humans or pets. The worms don't bite but do ...