The rate of Arctic surface warming has reached 2 to 4 times the global average—a phenomenon known as "Arctic amplification." Traditional theories ...

The Arctic reaches its maximum sea ice in March each year and then starts a six-month melt season. The National Snow and Ice Data Center said the peak measurement taken Saturday was 5.53 million ...

Mar. 6, 2025 — Researchers have combined satellite collar data with specialized cameras to shed light on one of the most mysterious and important stages in polar bears' lives -- maternal denning ...

Where most airports would close for a few centimetres of snow, some battle-hardened Arctic Circle airports refuse to close ...

"This record low is yet another indicator of how Arctic sea ice has fundamentally changed from earlier decades," said snow and ice data center scientist Walt Meier. He said sea ice extent is ...

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 ...