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

When most people think about biodiversity in lakes and rivers, they imagine fish, plants, or perhaps birds and amphibians.

See more of our trusted coverage when you search. Prefer Newsweek on Google to see more of our trusted coverage when you search. A worm-like parasite lived in a woman's eye for two years, and doctors ...

This unassuming worm hunts with a self-assembling slime net. Here’s what scientists have uncovered about its biology, ...

Invasive Asian jumping worms, also known as 'crazy worms,' have been detected in Colorado, threatening soil and plant life.

The worms can reproduce without mating, resulting in quick infestations ...

Warmer weather means more bugs. Learn the hidden signs of infection and discover the best spring pet parasite prevention tips ...