Perhaps the most astonishing among these are deep-sea tubeworms—creatures that thrive without a mouth, a gut, or even a hint of sunlight. Their existence defies everything we think we know about ...

Tubeworm larvae, sea snails, and marine worms were uncovered living in tiny caves underneath the ocean floor, revealing life is interconnected below and above it. An eelpout swims by a tower of ...

Vestimentiferan tubeworms, unique deep-sea dwellers lacking a digestive system, rely on a symbiotic partnership with sulfide-oxidizing endosymbiotic bacteria (endosymbionts) for nutrients.

Marine scientists have captured images of a mysterious tentacled creature that lives more than 3 miles below the ocean ...

Like clams, tubeworms work with microbes to get food from upwelling methane. They also offer anchor points for other creatures, such as the pink basket star, spiky sea urchin and sea star shown ...

Giant tubeworms are seen in a shallow subsurface cavity below deep-sea hydrothermal vents in the Pacific Ocean. ROV SuBastian/Schmidt Ocean Institute The discovery was "spectacular," Bright said ...

Scientists have discovered millions of Pacific white skate eggs near a deep-sea volcano off Canada’s west coast.

A variety of sea life clusters around the vents, which belch out elements that help bacteria, mussels, tube worms and other animals survive at extreme ocean depths. The vent ecosystem has been ...

A deep-sea submersible found worms and snails living in cavities below the sea floor — the first time animals have been discovered in such habitats. The creatures may have been pushed into their ...