The animals are not aliens, but giant pile worms, large marine worms that are typically found on the seafloor, but will swarm ...

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

But some giant piling worms are found around deep-sea hydrothermal vents. “When these worms were first discovered, it was amazing. They were huge, about one metre (3 feet) long. When we ...

But a recent expedition has revealed a startling truth: giant tube worms are thriving in these extreme conditions. Schmidt ...

Growing up to 8 inches (20 centimeters) long, Antarctic scale worms are a type of ocean-dwelling polychaete, or bristle worm (polychaete is Latin ... It's unclear why their bristles are golden.

Giant isopods look like monstrously sized woodlice and can live in the deep sea, beyond the reach of daylight. But how much do we really know about the lives of these crustaceans? Despite their ...