On 19 August 2020, the world’s largest and longest polar research expedition – known as MOSAiC – reached the North Pole after making an unplanned detour owing to lighter-than-usual sea ice conditions. The expedition now enters its final stage, where researchers will study the last piece of the Arctic puzzle: the refreezing of melt points and freezing of new sea ice at the end of the summer season.<br>This image shows the Arctic sea ice conditions north of Greenland captured by the Copernicus Sentinel-1 mission on 14 August 2020.<br>Read full story: MOSAiC Arctic expedition reaches North Pole
European Space Agency
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<a rel="nofollow" class="external text" href="https://www.esa.int/ESA_Multimedia/Images/2018/09/Arctic_sea_ice_on_14_August">Arctic sea ice on 14 August</a>