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

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

Many of us know Antarctica as a land of ice and not much else. But hidden beneath the miles of glaciers and ice sheets lies a ...

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