Peer inside the underwater volcanic caves where life thrives CNNAnimal life in the shallow subseafloor crust at deep-sea hydrothermal vents Nature.comScientists discover surprising animal ecosystem thriving under the seafloor USA TODAYSurprise Discovery Reveals Animal Life Thriving Under The Seafloor ScienceAlertGiant tube worms dwell in the deep places beneath the ocean floor. Southern Fried Science