The Research Vessel Polarstern was in the Arctic for the past seven weeks. There, the summertime sea-ice extent declined by ca. 40 percent over the past 40 years [...] to better grasp such changes, the research teams on board the Polarstern investigated Atlantic Water Recirculation in Fram Strait and in the marginal ice zone north of Svalbard, as well as ocean/glacier

Expedition
On Tuesday, 10 July 2018 the research icebreaker Polarstern will leave its homeport in Bremerhaven, headed for the Arctic. The main focus of the journey will be on long-term oceanographic

Arctic Expedition
On Whit Monday, 24 May 2021, the Polarstern will set sail for the Arctic. In Fram Strait, between Greenland and Svalbard, more than 50 participating scientists will resume

MOSAiC Expedition
Despite the current challenges, the MOSAiC expedition will continue. After many national borders were closed in response to the coronavirus pandemic, one team transfer had to be postponed. But thanks to new alternative plans supported by the German Federal Ministry of Education and Research, the German Research Foundation and the operators of the German research fleet as well as the dedicated work of the expedition team currently on board, MOSAiC will soon enter its next phase. An interim review of the project shows: the data to be gathered over the next several months will be indispensable for the scientific community.

a month’s absence, on 17 June the German research icebreaker Polarstern rendezvoused with the MOSAiC floe at 82.2 ° North and 8.4 ° East, after having left it on 19 May 2020 to exchange personnel and

Antarctic Ice Sheet. As the only research vessel nearby, the Polarstern took the opportunity to enter the area between the iceberg and the Brunt Ice Shelf. The first images from the seafloor reveal an

Polarstern returned to her home port of Bremerhaven at high tide this morning. After a good 20 weeks in the Antarctic season, the research

state of construction regarding the new research icebreaker Polarstern for the Alfred Wegener Institute. Shortly before Christmas 2024, the Federal Ministry of Education and Research, with support from

The centrepiece of the new construction project for the Polarstern's successor is now taking shape: by the end of August, TKMS, Wärtsilä, Steerprop and Aker Arctic had inked the contracts for the

challenge to all international scientists involved: The drift of Polarstern will be determined by nature and can only be estimated so far in advance. To allow everyone interested to join this exciting