Among them, researchers identified the deepest known chemosynthetic ecosystem in the southern hemisphere for the first time, providing fresh key evidence for the "global chemosynthetic life corridor" hypothesis and suggesting that chemosynthesis-based life systems driven by geological fluids may be widely distributed across the world"s deepest ocean trenches.

　　The team also documented a rich variety of hadal organisms, including multiple species of hadal snailfish and large numbers of benthic creatures observed within the same trench, many of which are believed to be previously unknown species.

　　In addition, researchers have discovered seabed fault-rupture structures linked to historic major earthquakes, offering rare in-situ evidence for understanding how seismic activity shapes deep-sea landforms and affects marine habitats.

　　Focusing on the hadal zone — regarded as one of the least understood and most extreme frontiers in Earth"s ocean system — the mission represents a major step in China"s continued efforts to strengthen fundamental scientific research.

　　The expedition carried out systematic investigations into key global scientific questions, including the origin and adaptation of hadal life, plate subduction and deep-fluid circulation. It is expected to advance theoretical research on the limits of deep-sea life, deep-ocean carbon cycling and deep-Earth material circulation, while providing scientific support for deep-sea resource utilization, disaster mechanism studies and understanding global climate change.

　　The joint expedition was one of the flagship missions under Global Hadal Exploration Program, which has been selected as part of the UN Decade of Ocean Science for Sustainable Development (2021-30). The program aims to build a systematic understanding of the world"s deepest ocean regions through international cooperation, deep-diving technology and interdisciplinary research.