Arctic sea ice

Researchers can measure ice thickness by drilling holes in the sea ice. But the method...

Figure 1. This graph shows Arctic sea ice extent for spring and summer months. Light blue indicates the ice...

Last week, an international group of researchers released their best estimates for Arctic sea ice extent over the...

Like many villages along the Arctic coast, the Inupiaq village of Shishmaref, Alaska, is increasingly threatened by...

Scientists expect the Arctic to lose most of its summer ice cover by the end of this...

People sometimes wonder if the weather they are experiencing locally, such as the heavy snow that fell in...

Researchers take measurements of the physical properties of sea ice in Fram Strait, in the Canadian Arctic...

A lead or large crack in the ice opens up in melting summer sea ice. A seasonally ice-free Arctic is likely some...

Bright white sea ice reflects light and keeps the Arctic cool. Soot darkens the ice surface and can speed melt...

A reader of Arctic Sea Ice News & Analysis asked what we know about Arctic sea ice extent before the satellite records began in 1979. Those...

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