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Deepest Chemosynthetic Ecosystems Discovered More Than 31,000 Feet Below Pacific Surface

  • Researchers using a submersible discovered thriving tubeworms and mollusks at depths over 31,000 feet in the northwest Pacific Ocean trenches.
  • This finding expands on earlier explorations and calls into question previously held beliefs about the possibility of life existing in the deepest parts of the ocean.
  • The creatures live in total darkness and survive by harnessing chemical reactions from carbon and methane seeping through ocean floor cracks.
  • Julie Huber stated, "Look how many there are, look how deep they are," emphasizing the extensive communities revealed by the study published Wednesday in Nature.
  • The findings suggest deep-sea ecosystems based on chemosynthesis may be more widespread, prompting future research on organism adaptation and raising concerns about deep-sea mining impacts.
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U.S. News broke the news in New York, United States on Wednesday, July 30, 2025.
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