December has been crazy warm across the East, leading to 10,000 daily heat records compared to 500 cold ones.
Warming has made the cold of 2013-2014 less likely, but that winter's storms couldn't be linked to climate change.
Tornado season is about to kick into high gear. See what parts of the U.S. have the highest risk.
The hot West, cold East divide continued for a second winter, but heat was the bigger story this year.
Satellites and astronauts have provided some of the amazing imagery of our planet this year.
Happy Halloween! Here's a look at Halloween climate extremes for cities across the country.
Heat waves and water shortages could devastate U.S. farmlands devoted to corn crop, a new report warns.
With few exceptions, summer temperatures across the U.S. have risen since 1970.