This new record low is yet another indicator of how Arctic sea ice has fundamentally changed from earlier decades,” said ...

Much of the ice in the Arctic winter is known as multiyear ice because it can be built up over periods as long as a decade.

Sea ice plays many important roles for the global climate: Its white surface can reflect energy back into space, helping the ...

Sea ice melt is not a significant contributor to sea level rise, but its contribution is not nothing, either. Sea ice is ...

Arctic sea ice had its weakest winter buildup since record-keeping began 47 years ago. Scientists say it's a symptom of ...

Researchers found increased meltwater and rain explain 60% of a decades-long mismatch between predicted and observed temperatures in the ocean around Antarctica.