CNNShipsbreak free from ice off AntarcticaCNN(CNN) -- Twoshipsbroke free Tuesday from the Antarctic ice that had trapped them off the continent's coast. Cracks in the ice allowed the Russian researchshipAkademik Shokalskiy to escape the ice field where it had been stranded for two weeks, ...Russian, Chineseshipsescape Antarctic's icy gripUSA TODAYTrapped researchship, rescue vessel break free of Antarctic iceNBCNews.com (blog)Two previously trappedshipsbreak free of Antarctic iceFox NewsNPR (blog) -Gizmodo -National Geographicall 551 news articles »