A 2019 infrastructure report card gave the state’s levees a "D," citing that despite significant investments, much more work ...

The May 2024 solar storm created two new temporary belts of high-energy particles surrounding Earth. The findings are ...

After months of extremely dry conditions in Southern California, an atmospheric river storm delivered much-needed rain to a region plagued by wildfires in January. Scattered showers fell across the ...

The rainfall was so intense that in one dramatic example, a mudslide caused an entire house to slip down a bank into the ...