It is often suggested that anyone who finds one of these invasive worms should kill it (carefully). Here's what else to know.

Imagine finding a stray hair — then watching it slither away like a snake. Video of such a creature was shared this week on Facebook by the U.S. Fish and Wildlife Service, which identified the creepy ...

In a proof-of-concept lab experiment, scientists demonstrated that intestinal parasites could make and release therapeutic ...