A dog-killing parasite that was believed to only exist in Texas and other Gulf Coast states has been discovered as far west as California for the first time, scientists have warned. The worm can cause ...

Hammerhead flatworms are invasive and toxic. These worms, native to Asia, contain neurotoxins similar to those in pufferfish.

For years, land flatworms were thought to spread mostly through plant sales. Worms or their eggs would hitch a ride in potted soil, move through nurseries, and end up in new gardens. That explained ...

Prefer Newsweek on Google to see more of our trusted coverage when you search. Looking like a cross between a slimy slug and a flattened snake, the New Guinea flatworm has a renowned hunger for snails ...

It’s dark, slimy, and one of the world’s worst invasive species. And it might be in your leaf litter. Originally from Papua New Guinea, the New Guinea flatworm has made its way to North Carolina. On ...

James is a published author with multiple pop-history and science books to his name. He specializes in history, space, strange science, and anything out of the ordinary.View full profile James is a ...

A newly discovered saltwater flatworm, pale yellow and about the size of a silver dollar, can take down mollusks in their shells, thanks to a powerful neurotoxin also found in puffer fish. Yet this ...

The microscopic flatworm (Stenostomum brevipharyngium) is one of nature's weirder creatures. Chop off its head, and it'll grow one back. Cut it in half, and it'll become two separate healthy worms.