They're tiny, blobby, butt-shaped, and glow in the dark. What the heck are they? Scientists are still figuring them out.

India's bristle worms are often overlooked. But they are crucial to the health of the country's wetlands – so local women are ...

Eunice siphoninsidiator, or the tube ambushing marine bristle worm, was discovered within the structure of glass sponges by a ...

A marine worm found off an Italian party island has grown enormous eyes that weigh about 20 times more than the rest of its head. The eyes of the nocturnal Vanadis bristle worm are so large that ...

The striking similarity between this modern bristle worm and its Cambrian relative speaks to a lifestyle that hasn’t changed much in 500 million years. Photographed at the Elizabeth Moore ...

India's bristle worms are often overlooked ... that almost cost me my life," Jyothi says now. But Pulicat's worm poaching threatens other consequences for Jyothi – and for the entire area.

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 ...

March's full "Blood Worm Moon," a phenomenon that makes the moon appear red during a total lunar eclipse, is visible this week for Americans and others in Earth's Western Hemisphere. The full moon ...