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- 1Robot submarine lost after mapping strange structures beneath Antarctic ice▼A robot submarine mapped strange structures under Antarctic ice, then vanished without a trace
An unmanned submarine deployed under the Antarctic ice surveyed unusual structures on the seafloor before all contact with the vehicle was lost, according to a report by the French science outlet Futura. The craft never resurfaced and its fate remains unknown, raising questions about what it found and why the mission ended so abruptly.