Weeks of heavy rain have prompted a plague of massive, toxic hammerhead flatworms to erupt from the ground in North Texas, much to the chagrin of frightened locals. “It was terrifying, like these are ...

It might be Shark Week, but sharks aren't the only hammerheads to watch out for this summer. An invasive worm that packs the poisonous power of a puffer fish and the slithering stamina of a snake has ...

Everything is bigger in Texas. Heavy rains around Houston are expected to bring out poisonous, foot-long worms that regenerate if cut in half, officials warned this week. The nightmarish hammerhead ...

Three types of parasites can cause disease in humans. They are protozoa, carried by mosquitos, helminths, such as roundworm, and ectoparasites, for instance lice and bed bugs. Parasites are organisms ...