Ticks are parasites that bite and feed on humans and pets. They can spread Lyme disease and other infections. Here's what to ...

Invasive hammerhead worms are spreading in Texas, and have been spotted in Houston, Dallas, Austin and toward the coast.

A second transplant patient also became infected, leading their doctors to surmise that their new kidneys were likely to ...

A second man from Albany, N.Y., aged 66, who received the donor’s other kidney also developed a parasitic infection, the ...

A 43-year-old man discovered a dragon worm parasite up to 70cm long in his leg after self-extracting it at home, prompting ...

But in the immunosuppressed, it can cause a deadly hyperinfection syndrome, with the worms going through accelerating and ...

The worms wriggled beneath the animals’ skin, migrated to blood vessels that surround the intestines, and started laying eggs. Bruno Guigas, a molecular biologist at the Leiden University Center for ...

Hordes of writhing flesh-eating worms have erupted from the ground in Texas , terrifying local residents. The worms can irritate the skin of humans and also tend to prey on earthworms.

Weeks of heavy rain have prompted a plague of massive toxic hammerhead worms to erupt from the ground in North Texas, much to ...

Watch a Boelen’s python slide out of its skin with ease. See why shedding is key to a snake’s health—and why you shouldn’t ...

"The thing people need to know is don't kill it, don't squish it, don't cut it up." Officials issue warning over terrifying toxic worms emerging from ground after rainfall: 'The worms are demonic' ...