Most people picture the Arctic Ocean as miles upon miles of thick sea ice. This icy expanse has become threatened as Arctic sea ice shifts from mainly old ice to much younger, thinner ice. How...

After a cool Arctic summer, sea ice at the North Pole has recovered somewhat from last year’s record low extent. While this is a welcome pause in the downward trend of sea ice extent, some are...

As higher temperatures create more temperate environments across parts of the Arctic, vegetation is...

During the short austral summer, much of the sea ice surrounding Antarctica melts, often leaving only the...