Marilyn Perkins
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Antarctic sea ice at record low in February, satellite data revealAntarctic sea-ice extent dropped to a record low in the satellite data in February, but it's likely due to natural variation.
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Endurance Expedition: Shackleton's Antarctic survival storyReference The Endurance Expedition was a failed mission to cross the Antarctic on foot, leaving 28 explorers stranded.
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Antarctica's doomed A68 iceberg dumped 1 trillion tons of water into the ocean over 3 yearsA new study of iceberg A68 (once the world's largest) charts its entire doomed journey, and shows exactly when it started to melt at an alarming rate
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Unimaginable diversity of life discovered beneath Antarctic ice shelf -
What is Lake Vostok?Lake Vostok lies buried under miles of ice in East Antarctica.
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Rare wispy ice formations streak across the sea near Antarctica in beautiful satellite imagesRecent satellite images captured by Landsat 8 show a rare windswept sea ice formation over water in Antarctica.
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Antarctica's 'Doomsday Glacier' could meet its doom within 3 yearsThwaites Glacier is roughly the size of Florida, and holds enough ice to raise sea levels over two feet. New research shows that the collapse of its ice shelf may be just a few years away.
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NASA is tracking two explorers across Antarctica to prepare humans for MarsNASA is tracking two explorers on a 2,268-mile (3,650 kilometers) journey across Antarctica to learn more about humanity's ability to survive on Mars.
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When did Antarctica become a continent?Here's when Antarctica broke free of an ancient supercontinent.
