These spheres from the abyss conceal creatures with startling biology.

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 ...

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 ...

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 ...

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 ...

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 ...

Working in the lab of Alejandro Sanchez Alvarado (right), researcher An Zeng isolated a single cell that allows flatworms to regenerate. In a famous segment from Walt Disney’s 1940 film “Fantasia,” ...

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 ...

Scientists have discovered a never-before-seen invasive species of land flatworm living in North Carolina, Florida, and possibly other parts of the U.S. Reading time 3 minutes The United States ...

In some of the most complex animal societies, individuals exhibit a cooperative division of labour to form castes. The most pronounced types of caste formation involve reproductive and ...