AdvertisementAntarctica's Ice Sheets Are Melting Faster — And From Beneath01:58Download AudioResumeOctober 25, 2016Christopher JoycefacebookEmailThis image taken in 2012 shows part of the Crosson Ice Shelf (center left) and Mount Murphy (foreground) on the western edge of Antarctica. Thwaites Ice Shelf lies beyond the highly fractured expanse of ice (center). (John Sonntag/Nature)