NOAA’s Space Weather Prediction Center said early Sunday that a coronal mass ejection from the sun had arrived to Earth and ...

Auroras may be visible from Alaska to Pennsylvania as Earth reverberates from the impact of a speedy solar storm.

Early Sunday morning, G4 geomagnetic storm conditions had been reached. Such strong conditions have been known to bring the northern lights as far south as Alabama and northern California. However, ...

Melting snow from California's Sierra Nevada is filling reservoirs. But dry conditions have shrunk the flow of the Colorado ...

While Northern California’s precipitation and snowpack are above average for the year, the Southern Sierra still remains at about 87% of average for this time of year, according to the ...