Even locked in the ice, the Polarstern produces light, noise, and emissions that could affect many studies. Photo: SHANNON HALL

Aboard the Polarstern in the Arctic Ocean
Sandro Dahlke releases a weather balloon into the air onboard the Polarstern research icebreaker, which is frozen in place in the middle of the Arctic Ocean. Photo: Shannon Hall

Their data will also bolster climate...
Research icebreaker Polarstern casts its shadow across icy waters. Photo: Ingo Arndt/Getty Images

Scientists setting sail to the North Pole will become stranded...
Hoarfrost covers the snow where researchers cross a lagoon in Utqiagvik, Alaska, on April 9. The researchers are among a group gathered to prepare for the upcoming year-long MOSAiC expedition that will collect data on Arctic climate and ecosystems. Photo: Bonnie Jo Mount/The Washington Post

Hundreds of scientists are about to...
RV Polarstern. Photo: Alfred-Wegener-Institut/Stefan Hendricks

Warming temperatures are changing the Arctic...
The Mosaic expedition is taking a large team of scientists to the Arctic sea ice, where they will take year-round measurements of the Arctic climate Photo: AWI/Stefan Hendricks

The world’s largest polar expedition...