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Dec 14, 2017 ... Scientists stitch together decades of survey data to reveal a hidden world of mountains and canyons.


Aug 29, 2013 ... Deep beneath the surface of Greenland's ice sheet lies a chasm half a mile deep and longer than the Grand Canyon. According to a paper published in Science, radar data from NASA's IceBridge project...


Apr 14, 2016 ... Monday saw the Greenland ice sheet melting at a record-breaking level for this time of year, according to the scientists who monitor it.


Aug 29, 2013 ... Data gathered by NASA's Operation IceBridge, an aerial science observation mission, has uncovered a previously unknown massive canyon in Greenland, hidden under a kilometer of ice. The canyon, found by airborne radar data, has the same characteristics of a winding river channel like the Grand ...


Aug 30, 2013 ... One of the biggest canyons in the world has been discovered buried beneath more than two miles of ice in Greenland.


Aug 30, 2013 ... A previously unknown canyon has been discovered in Greenland, hidden beneath the ice. It is at least 750 kilometres long. To put that in perspective, imagine a ten kilometre wide gorge, up to 800 metres deep, running from the Southern coast of England and into Scotland. This is on the same scale as ...


Aug 29, 2013 ... A newly discovered "mega canyon" beneath over a mile of ice in Greenland rivals the Grand Canyon in size.


Aug 29, 2013 ... Greenland's 'grand canyon' was part of a large river system before an ice sheet covered it millions of years ago, a new study says. Now it appears to be a vital part of the island's plumbing.


Aug 29, 2013 ... Scientists find a chasm as deep as the Grand Canyon tucked under a sheet of Arctic ice.