News Underwater robots are studying the ‘Doomsday Glacier’ in Antarctica. What can we learn? September 6, 2022 Ashley R. Williams, USA TODAY Comments Off on Underwater robots are studying the ‘Doomsday Glacier’ in Antarctica. What can we learn? Scientists have captured a first-of-its-kind seafloor mapping near the world's widest glacier, shrinking at a pace that could raise global sea levels.