The humble planarian flatworm can regrow its brain. Here’s how this tiny animal will have you rethinking everything you thought you knew about memory.

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. Dog owners should ...

A series of compounds that deprive iron essential for a parasitic worm could provide effective new agents for blocking ...

Officials are asking residents to report them. Officials issue warning as harmful creatures spread into new territory — ...

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 ...

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 ...

Call them Franken flatworms. Scientists have created worms with the heads and brains of other species just by manipulating cell communication. The research is an example of how development is ...

Alderney Wildlife Trust and the States said similar to the Australian flatworm, the Obama flatworm's diet included native earthworms. It said this could potentially impact the species dependent on ...

A tiny, freshwater flatworm found in ponds and rivers around the world that has long intrigued scientists for its remarkable ability to regenerate has now added a new wrinkle to biology. The ...

The hammerhead flatworms are native to Southeast Asia, and they have invaded North Texas. The worms are anywhere from four to 15 inches long. They are harmful not only to plants, but also to essential ...

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 ...

It actually improves upon the flatworm's mechanism, as its fins undulate 10 times faster than the worm's body. And what's more, along with being able to travel forward and turn to either side, the ...