This deep-sea polar worm looks like it can't decide if it's dressed for a glitzy party or a gruesome massacre.

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 ...

Earthworms have long been associated with healthy, productive soils. In his 1881 book entitled. "The Formation of Vegetable Mould through the Action of Worms," the great biologist Charles Darwin ...

Earthworms are monoecious, meaning that both female and male organs are present within the same worm. In most earthworms, copulating adults overlap front ends and exchange sperm. Long after the worms ...

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