President Obama said Friday that the pipeline would not serve the national interest of the United States.
Torrential rains in the Southern Plains made this the wettest month on record for the contiguous U.S.
Texas and Oklahoma could see both more heavy downpours and drought in a warmer future.
A drought-amped wildfire season will severely test the West's ability to live with an ancient threat.
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.
Happy Halloween! Here's a look at Halloween climate extremes for cities across the country.
Summers get hotter, tornado season fizzles, cow manure worsens methane, plan to cut CO2 and more.