Palolo worms must have one of the strangest life cycles in the animal kingdom, although there is plenty of competition.

Austrian scientists uncovered a hidden undersea world with gigantic ‘worms’ lurking beneath the Earth’s crust.

A worm is a long, creeping animal, with a soft, often segmented body. They don't have legs but instead are covered in hairs or bristles that help them to move. They breathe through their skin ...

Experts warn the floods may bring the invasive 'hammerhead flatworms' which can grow to a frightening 12 inches long and can pack a poison punch if you pick them up - or if your pet gets its hands ...