Unusually heavy Arctic pack ice has trapped multiple vessels, stymied the fishing season and triggered a high-stakes rescue operation from a sinking ship off Newfoundland. Five fishermen were rescued ...

Canada’s largest research project in International Polar Year has been forced to switch gears because Arctic sea ice is disappearing faster than anyone imagined.

LA SCIE, N.L.—Unusually heavy Arctic pack ice has trapped multiple vessels, stymied the fishing season and triggered a high-stakes rescue operation from a sinking ship off Newfoundland.