Atmospheric rivers are long, narrow regions of water vapor in the atmosphere, like a river in the sky. These systems gather ...

California's aquifers gained an estimated 2.2 million acre-feet of water during the last water year. Gov. Gavin Newsom's ...

From front-page news to powerful moments you may have missed, this gallery showcases today’s top photos chosen by Associated ...

Hundreds of people working or playing outside – even those who seem healthy – succumb to heat-related illnesses each year.

Note: Canadians in nearby high-risk regions such as Iran, Israel, Gaza, and the West Bank are advised to stay close to bomb ...

Though their support weakened for some green energy initiatives, there was no increase in support for President Trump's ...