Two new studies of the North and South Poles remind us that the global climate system remains unpredictable, defying ...

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

Scientists worry as services that provided detailed and historic information about sea ice, snowpack, glaciers and other ...

Cuts at the National Oceanic and Atmospheric Administration are now degrading the datasets used to monitor the most rapidly ...

When does "anomalous weather" become "a new climate"? The moment that variations in a specific climate variable turn into the ...

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

For further information, please see our April Arctic sea ice extent averaged 13.91 million square kilometers (5.37 million ...

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

Glaciers and sea ice are declining, impacting marine biodiversity, ecosystem functioning, tourism and Arctic livelihoods.

In the dim twilight of an Arctic winter's day, with the low sun stretching its orange fingers across the frozen sea, a group of researchers drill a hole through the ice and insert a hydrogen ...