Sea Ice

Where’s the sea ice? Three reasons the Arctic freeze is unseasonably late and why it matters

For sea ice to build up again this year, the upper layer of the Arctic Ocean needs to lose the excess heat it picked up during summer.

Records show Arctic sea ice in October was at its lowest and isn't recovering as fast find new study

Water temperatures in the eastern part of the Arctic, north of Siberia, was two to four degrees warmer than normal, and in the Baffin Bay, it was one to two degrees warmer.

Biggest-ever Arctic science mission ends after a year drifting along with frozen sea ice

With some 100 members – scientists, technicians and crew, the expedition the largest Arctic science expedition in history.

Happy feet: Antarctic penguins see a rise in population during years with less sea ice

Recent years has seen Antarctica experienced a steady increase in sea ice, even as the Arctic has seen a marked decrease.

Arctic Report Card details effect of record melting on global environmental changes

The Arctic report, in its 13th edition, explains changes, impacts of melting on the ecosystem & marine life.

More glaciers in East Antarctica melting from warmer winds, ocean waters: NASA

The ice loss in the East is more recent, smaller compared to those of glaciers in West Antarctica.

Arctic temperature spikes to 30 degrees Celsius higher than normal, above freezing point of water

Arctic temperatures have spiked to reach unusually high levels. Weather monitoring buoys near the north pole recorded temperatures 30 degrees above normal.

Quebec asks for help to free whales trapped under ice

A community in Quebec's Far North is calling for outside help to free about a dozen killer whales trapped under a vast stretch of sea ice.