The sea otter pup was tiny, probably less than 2 weeks old, alone in Morro Bay on an October morning earlier this year. A ...

We sent a reporter to drive the 15-hour and nearly 700-mile journey across the state, traversing mountain ranges and rock slides, dirt roads and agricultural checkpoints, from Marin to Modoc County.

After record flooding in Washington state, then a widespread western windstorm, more atmospheric rivers are targeting ...

Another atmospheric river will bring more rain to the Pacific Northwest later this week, heightening an extensive flood ...

Much of the West Coast is bracing for an active stretch of stormy weather that could lead to holiday travel delays.

Fueled by a disturbed polar vortex, 18 states and D.C. have had more snow than average into December. In some areas, snowfall ...

Save this guide for your next California road trip when you want beaches, deserts, and forests that feel far from tour buses ...

More than 122 million Americans are expected to travel during the busy holiday period, with generally quiet weather across ...

An AirNow map shows air pollution in the "unhealthy" range for Portola in California, and Casa Grande in Arizona on Tuesday ...

NOAA's 10‑foot map visualizes cities at risk. New research flags thousands of hazardous sites vulnerable by 2100.

The Marin County Board of Supervisors has taken a stand against the Trump administration’s threats of offshore oil drilling. The board voted unanimously on Nov. 18 to join a revived coalition of ...

Cradled in the nose of a high-altitude research airplane, a new NASA sensor has taken to the skies to help geoscientists map rocks hosting lithium and other critical minerals on Earth’s surface some ...