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Photo by John Sonntag/NASA

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An Antarctic Iceberg the Size of Delaware Could Break Off in a Matter of Weeks

A fast-growing crack in the Larsen C ice shelf signals the accelerating changes underway on the southernmost continent.

February 9, 2017
2:50 PM EST
A detail of the growing rift in the Larsen C ice shelf in Antarctica. | Photograph by John Sonntag/NASA