Sea ice

There’s been discussion about a big opening in sea ice, called a polynya, and if it had anything to do with the Russian expedition ship, Akademik Shokalskiy , getting stuck near the Antarctic...

We’ve all heard it: Arctic sea ice is melting. Sea ice is thinner year to year and there is less of it. In 2007, scientists observed a nearly 50 percent loss of summer ice as compared to 1980....

Even during the Antarctic summer, heavy sea ice conditions are not uncommon. This photograph of sea ice was...
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