Scientists Are Racing to Figure Out Why This Giant Glacier in Antarctica Is Melting So Fast


A robotic submarine is about to descend into a dark, water-filled cavern in Antarctica, to try to find out why one of the continent’s largest glaciers is melting so fast.

In the next few days, scientists will lower the torpedo-shaped robot, dubbed Icefin, into a nearly 2,000-foot-long (600 meters) borehole in the ice of Thwaites Glacier in West Antarctica. Previously, scientists used Icefin robots to study the sea life beneath the ice in the Ross Sea off of Antarctica, but this new project has a different purpose.

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