The Arctic is changing rapidly, and scientists have uncovered a powerful mix of natural and human-driven processes fueling that change. Cracks in sea ice release heat and pollutants that form clouds ...

Arctic sea ice reached a record winter low this year — the latest mark in a season that has left scientists gape-mouthed in amazement. "I've never seen such a warm, crazy winter in the Arctic," said ...

Arctic sea ice helps cool the planet and influences weather patterns around the world, but it is disappearing faster than ever as the climate warms. Scientists have now developed a new forecasting ...

A blast of Arctic air is expected to bring a sharp temperature drop to Florida this week. Freeze watches have been issued for 53 of Florida's 67 counties ahead of the cold front. The cold snap is ...