In this handout image supplied by the European Space Agency (ESA), witnessed by the Copernicus Sentinel-1 mission on July 12, 2017, a lump of ice the size of Delaware has broken off the Larsen C ice shelf, spawning one of the largest icebergs on record and changing the outline of the Antarctic Peninsula forever. About 10 percent of the Larsen C shelf has now gone. | ESA via Getty Images

The Enormous Larsen C Iceberg Is Beginning to Break Apart

As the Delaware-sized chunk of ice drifts out to sea, scientists are monitoring the edges of the Larsen C shelf for further signs of collapse.

The Sentinel-1 satellite captured iceberg A68 breaking up as it moves away from the Larsen C ice shelf. | ESA/Copernicus
Scientists are monitoring new rifts that formed on the Larsen C ice shelf in the wake a major calving event last week. | Project MIDAS