The Asian "crazy worm" looks pretty harmless, as earthworms do, but the little worm can do big damage. Unlike the vast majority of approximately 5,00o earthworm species on the planet, Amynthas ...

India's bristle worms are often overlooked. But they are crucial to the health of the country's wetlands – which is why local women are working to catch the poachers decimating their population.

In 1873, an unknown species of deep-sea worm was dredged up from the bottom of the ocean. Further analysis showed that the animal, collected from almost 3.5 miles (5.5 kilometers) beneath the surface, ...