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Greenland


  • Originally published 08/02/2013

    Ice core data supports ancient space impact idea

    New data from Greenland ice cores suggest North America may have suffered a large cosmic impact about 12,900 years ago.A layer of platinum is seen in ice of the same age as a known abrupt climate transition, US scientists report.The climate flip has previously been linked to the demise of the North American "Clovis" people.The data seem to back the idea that an impact tipped the climate into a colder phase, a point of current debate.Rapid climate change occurred 12,900 years ago, and it is proposed that this is associated with the extinction of large mammals - such as the mammoth, widespread wildfires and rapid changes in atmospheric and ocean circulation....

  • Originally published 01/29/2013

    Sealing Norse Greenlanders’ fate?

    The mystery of what happened to Greenland’s Norse population is one step closer to being solved, as new evidence suggests that the colony did not die out because its inhabitants were unable to adapt to their new environment.