Extremely low sea ice levels in the Arctic and Antarctica signal a "new normal" that may accelerate global warming and ...

Gray whales, a signature of the Washington coast, are dying by the thousands, victims of declines in Arctic sea ice.

Sea ice extent in the Arctic has decreased by about 40 percent since 1979. New technologies are being deployed to regrow it.

Since that statement of intent by Moscow in 2007, some things in the far north haven't changed—Russian President Vladimir Putin is still in power, Arctic ice ... islands within the Northern Sea ...

The Arctic Ocean likely had the smallest winter ice cover in 47 years of satellite records this season, with just 5.53 million square miles of sea ice covering the region at its peak on March 22 ...

Melting Arctic sea ice — mostly in the summer — is making the polar bear population smaller, weaker and hungrier because they rely on the sea ice to hunt from, scientists said. Arctic sea ice ...

Arctic sea ice had its weakest winter buildup since record-keeping began 47 years ago, a symptom of climate change that will have repercussions globally, scientists said Thursday. The Arctic ...