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 ...

Forbes contributors publish independent expert analyses and insights. I write about biodiversity and the hidden quirks of the natural world. Imagine waking in the morning with no brain, and no memory ...

Looking like a cross between a slimy slug and a flattened snake, the New Guinea flatworm has a renowned hunger for snails and the ability to live in just about any environment. In the past few decades ...

An invasive and harmful worm capable of growing to three feet long has been discovered in Ontario, Canada. The hammerhead land planarian is toxic and, experts warn, can pose a threat to pets, small ...

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 ...

When some flatworms can't find a mate, a new study says, they reproduce in a way that will make you thank the god of your choice you're not a flatworm. CNET freelancer Danny Gallagher has contributed ...

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 ...