In the 1930s, workers bored a 13-mile tunnel beneath Mt. San Jacinto. Here's a look inside the engineering feat that carries ...

In a surprise move, President Trump’s transportation department has decided to keep the Biden-era rule requiring automakers ...

President Donald Trump on March 1 ordered expanded timber production, and the new Secretary of Agriculture, Brooke Rollins, ...

As atmospheric rivers pounded the U.S. West Coast last winter, scientists deployed increasingly advanced observing tools over ...

Martin Perales and Paul Blank are monitoring Napa River fish using a large contraption called a rotary screw trap.

About 75% of the Marin Municipal Water District supply comes from the Mount Tamalpais watershed and hills of West Marin. Its ...

SACRAMENTO, Calif. - A barrage of atmospheric river events that swept across California during the winter and spring has left ...

Atmospheric rivers are more common during the winter months, but officials are warning people not to let their guard down.

In 2019, an atmospheric river nicknamed the "Pineapple Express" hit California. The water vapor from near Hawaii brought rain and triggered mudslides that forced motorists to swim for their lives and ...

In drought-stricken California, such storms have triggered ... for their lives and sent homes sliding downhill. In 2021, an atmospheric river dumped a month's worth of rain on British Columbia ...

US Intelligence Investigating Whether FBI Involved in 2021 Capitol Riot (This April 9 story has been corrected to fix the name to Kent, instead of Kelly, in paragraph 9) By Jonathan Landay ...