For the first time in recorded history rain has fallen at Greenland’s Summit Camp, lasting several hours, this event melted more than a third of a million square miles of ice in one day. At 5:00 AM local time on August 14, the temperature at Summit Camp, at an elevation ofread more

Global warming may have pushed Greenland’s ice sheets past a tipping point, with the island having lost ice from its glaciers faster than snowfall could replenish them over the past two decades, according to a new study. Although this trend is expected to worsen as global temperatures increase, the researchersread more

A massive impact crater the size of the city of Paris has been discovered under the ice sheet in northern Greenland. Partially hidden under the Hiawatha Glacier, this 31-kilometer (19.3-mile) crater is estimated to be no older than three million years, but the researchers believe that it was formed much more recently, possibly as late as 12,000 years ago, making it the largest impact crater of its kind on Earth.
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