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 ...