Using 300 computer simulations, scientists predicted that the Arctic's first ice-free ... one day only may not matter that much. Sea ice is simply frozen ocean water. It forms, grows, and melts ...

They’ve just jumped into a lead—a long fissure of open water in the frozen ... Arctic’s last summer sea ice, work that has helped guide the Pristine Seas effort. Comparing a variety of ...

In September, the National Snow and Ice Data Center reported that this year's Arctic sea ice minimum—the day with the least amount of frozen seawater ... from over 300 computer simulations.

Perched on sea-ice off Canada's northern coast, parka-clad scientists watch saltwater pump out over the frozen ocean ... snow and rain is falling in the Arctic Hottest February marks ninth ...