Weather

Why frigid air, normally bottled up at the North Pole, sometimes pours down as far south as Florida

Developed nations that drive climate change incur relatively few of the costs whereas countries that produce few greenhouse gas emissions will be hard-hit, like nonsmokers exposed to second-hand smoke.

Researchers combine satellite feeds to create a global highlight reel of hurricanes, heavy rains and deep freezes

Months of rain and snow will be needed to climb out of the four-year dry spell

One oceanographer says changing ocean currents amped up snowfall

Rapid ocean warming expands water, accelerating sea level rise

What does global warming mean for extreme snowfall?

SnOMG! Much of the eastern U.S. anticipating a cold, snowy weekend

Specially outfitted planes, a research ship and hundreds of weather balloons aim to improve forecasts for strong storms

2016 could see a quieter spring tornado season

Interactive Climate Graphic Highlights Alarming Trends in Warming U.S. Winters

Winter heat, pounding rains, tornadoes—a climatologist explains which extremes can be attributed to El Niño and which cannot